لوح1 لَاحَ, aor. ـُ inf. n. لَوْحٌ, It (a thing) shone; gleamed; glistened. (S.) b2:  لَاحَ, (aor. ـُ inf. n. لَوْحٌ and لُؤُوحٌ and لَوَحَانٌ; TA;) and ↓ الاح; It (lightning) flashed slightly, not extending sideways in the adjacent tracts of cloud: (S, K:) or ↓ الاح signifies it lighted up what surrounded it. (TA.) b3:  لَاحَ, (S, Msb,) aor. ـُ (Msb;) inf. n. [لَوْحٌ and] لِيَاحٌ; (IAth;) It appeared: (IAth, Msb:) it (a star) appeared, (S, Msb,) as also ↓ الاح, (S, K,) [it loomed,] and shone, gleamed, or glistened; (TA;) as also ↓ الاح: (Msb, TA:) ISk says, لَاحَ سُهَيْل Canopus appeared; (S;) and ↓ الاح it shone and glistened. (S, K.) b4:  لاح, and ↓ الاح, He (a man) came forth and became apparent. (A 'Obeyd.) b5:  لَاحَ لِى أَمْرُكَ, and ↓ تلوّح, (tropical:)  Thine affair became apparent and manifest to me. (A.) b6:  لَاحَ الشَّيْبُ فِى رَأْسِهِ Hoariness appeared upon his head. (TA.) b7:  لَاحَهُ, aor. ـُ He saw him, or it. (K.) b8:  لَاحَ إِلَى كَذَا, aor. ـُ He looked at, or towards, such a thing; as a distant fire. (L.) b9:  لَاحَهُ بِبَصَرِهِ, aor. ـُ inf. n. لَوْحَةٌ, [so in the L,] He saw him, or it, and then he or it became concealed from him. (L.) b10:  See 4.A2:  لَاحَ, (S,) aor. ـُ (TA,) inf. n. لَوْحٌ (S, K,) and لُوحٌ (K) and لُوَاحٌ (S, K) and لُؤُوحٌ and لَوَحَانٌ; (K;) and ↓ التاح; (S, K;) He thirsted: (S, K;) or he thirsted in the slightest degree: (TA:) or he thirsted quickly. (Lh.) b2:  لَاحَهُ, (aor. ـُ inf. n. لَوْحٌ, TA,) It (thirst, K, or travel, S, K, and cold, and disease or illness, and grief, TA,) altered him, (S, K,) and made him lean, lank, light of flesh, slender, or lank in the belly; (TA;) as also ↓ لوّحهُ, (K,) inf. n. تَلْوِيحٌ: or the latter signifies it (the heat of fire or of the sun) altered the colour of his skin: (TA:) or both verbs signify it parched, scorched, or burned, and blackened, his skin. (Zj.) الشَّمْسُ ↓ لَوَّحَتْهُ The sun altered him, and scorched, i. e. slightly burned, and changed the colour of, his face; (S;) and in like manner fire, and the hot wind called سَمُوم; as also لَاحَتْهُ. (A.) 2 لوّح, (inf. n. تَلْوِيحٌ, TA,) He heated (S, K) a thing with fire. (S; see MA, and see 1.) b2: لوّحهُ الشَّيْبُ Hoariness altered him; (TA;) rendered him white. (K, TA.) b3:  See 1, and 4.4 أَلْوَحَ See 1 throughout the first half. b2: الاح مِنَ الشَّىْءِ, (inf. n. الاحة, TA,) (tropical:)  He (a man) was cautious and fearful of the thing. (S, K. *) A2:  الاح بِثَوْبِهِ, (L,) and به ↓ لوّح, (Lh, S, L,) and به ↓ لاح, (L,) (tropical:)  He made a sign with his garment, (S, L,) from a distant place, taking the end of it in his hand, and waving it about, to make it seen by some one whom he desired to see it. (L.) الاح بِسَيْفِهِ; (S, K;) and به ↓ لوّح, (K,) inf. n. تَلْوِيحٌ; (TA:) (tropical:)  He made a sign with his sword, (S, K,) and waved it, or moved it about, [for the purpose above mentioned]. (TA.) b2:  لوّح لِلْكَلْبِ بِرَغِيفٍ فَتَبِعَهُ (tropical:)  He made a sign to the dog with a cake of bread, and he followed him. (A.) A3:  الاح بِحَقَِّىِ He went away with, or took away, that which belonged to me. (ISk, S.) A4:  الاحهُ, (inf. n. إِلَاحَةٌ, TA,) He destroyed him or it. (S, K.) 8 إِلْتَوَحَ see 1.10 استلاح He sought, tried, or endeavoured, to see, syn. تَبَصَّرَ, (K,) فِى الأَمْرِ into the affair, or thing. (TA.) لَوْحٌ A look; syn. نَظْرَةٌ; [or rather a glance, or light or quick look;] like لَمْحَةٌ. (K.) A2: See لُوحٌA3:  Any broad, or wide, and thin, thing, such as a board or plank or the like, of wood or of bone: (T, M, Msb, K:) pl. أَلْوَاحٌ, and pl. pl. أَلَاوِيحُ. (K.) A word of this kind has not a pl. of the measure أَفْعُلٌ, because dammeh to the و is disliked. (Sb.) b2:  أَلْوَاحٌ i. q. لَوَائِحُ, q. v. b3:  The scapula or shoulder-blade, (T, S, Msb, K,) when it is written upon, or inscribed. (T, Msb, K.) b4:  Any wide bone: (S, Msb:) or any bone of the body, except the bones called قَصَب of the arms and legs. (Msb.) See also مِلْوَاحٌ. b5: لَمْ يَبْقَ مِنْهُ إِلَّا الالواح (tropical:)  There remained of him nothing but the wide bones. Said of one that is lean, or emaciated. (A.) b6:  لَوْحُ الكَتِفِ The smooth part of the shoulder-blade, where its projecting part (عَيْر [so I read for غير, in the L]) terminates, in the upper portion. (L.) b7:  لَوْحٌ That [meaning a tablet] upon which one writes. (S.) b8:  كَتَبْنَا لَهُ فِى الأَلْوَاحِ [We wrote for him upon the tablets, or tables]. (Kur vii. 142.) They are said to have been two tablets; but it is allowable to call two tablets الواح. (Zj.) b9: اللَّوْحُ المَحْفُوظُ, mentioned in the Kur, [chap. lxxxv. last verse, The Preserved, or Guarded, Tablet, whereon are said to be inscribed all the divine decrees;] (tropical:)  the depository of the decrees, or willed events, ordained by God: (TA:) or i. q. أُمُّ الكِتَابِ: or a light which appears to the angels, showing to them the things which they are commanded to do, and which they obey. (Msb.) لُوحٌ (S, K) and ↓ لَوْحٌ, (Lh, K,) but the former is of higher authority, (K,) and the latter is mentioned by none but Lh, (TA,) The air, or atmosphere, (S, K,) between heaven and earth: (S:) the air next to the higher part, or to the clouds, of the sky; syn. سُكَاك: this is its meaning in the phrase لَا أَفْعَلُ ذٰلِكَ وَلَوْ نَزَوْتَ فِى اللُّوحِ [I will not do that even if thou leap into the air next to the higher part, or to the clouds, of the sky]. (S.) إِبِلٌ لَوْحَى Thirsty camels. (S, K.) لَيَاحٌ: see لِيَاحٌ.شَىْءٌ لِيَاحٌ, (S, K,) and ↓ لَيَاحٌ, (K,) A white thing. (S.) The و is changed into ى because of the kesreh before it. (Fr, S.) لَيَاحٌ is extr.; for there is no reason for the change of the و therein into ى, unless for alleviation of the sound. (L.) b2:  Also لِيَاحٌ and ↓ لَيَاحٌ Of a shining, or glistening, white hue. (L.) b3:  أَبْيَضُ لِيَاحٌ, and ↓ لَيَاحٌ, (tropical:)  Intensely white. (K, TA.) b4:  Also لِيَاحٌ (S, K) and ↓ لَيَاحٌ (K) The wild bull: (S, K:) so called because of his whiteness. (S.) b5:  Also both words, The daybreak, or dawn: (K:) so called for the same reason. (TA.) b6:  لَقِيتُهُ بِلِيَاحٍ I met him at the period of the afternoon called العَصْر, when the sun was white. (L.) لَوَّاحَةٌ لِلْبَشَرِ, [Kur, lxxiv. 29, referring to سَقَرُ,] Burning the [scarf-] skin so as to blacken it. (Zj.) لَوَائِحُ شَىْءٍ [pl. of لَائِحَةٌ] The parts of a thing that are apparent, and that show the signs thereof. (TA.) لَوَائِحُ and ↓ أَلْوَاحٌ The external parts of a thing. (A.) لَوَاحِى الشَّيْبِ The apparent signs of hoariness, occurs in a verse of Khufáf Ibn-Nudbeh, for لَوَائِح الشيب. (TA.) b2:  السِّلَاحِ ↓ أَلْوَاحُ Shining, gleaming, or glistening, weapons; such as the sword, (S, K,) end the like, (K,) and the spear-head; (S;) generally  meaning swords, because of their whiteness: (ISd:) or, as some say, the cases, or receptacles, in which are the swords together with their scabbards and suspensory belts or strings, because made of boards. (IB.) 'Amr Ibn-Ahmar ElBáhilee says, تُمْسِى كَأَلْوَاحِ السِّلَاحِ وَتُضْ حِى كَالْمَهَاةِ صَبِيحَةَ القَطْرِ [In the evening she is like shining weapons, (so accord. to the S.) or like sword-cases, (accord. to IB,) and in the early part of the day, after sunrise, she is like the wild cow on the morning of, or after, rain]. IB says, that the poet means, in the evening she is lean, or slender, like a sword-case; but in the morning, like a wild cow, &c. (L.) مِلْوَحٌ: see مِلْوَاحٌ, مِلْوَاحٌ Large in the أَلْوَاح, (K,) meaning [the shoulder-blades, or] any of the wide bones of the body: applied to a camel and to a man: (TA:) or having excellent and large الواح: (Sh, AHeyth:) and الواح is said to mean the ذِرَاعَانِ [or two radii], the سَاقَانِ [or two tibiæ], and the عَضُدَانِ [or two humeri, or upper bones of the arms]. (TA.) b2:  Tall. (K.) b3:  Lean, lank, or light of flesh; or slender, or lank in the belly: (K:) applied alike to a man and a woman: also, a beast of carriage that becomes so quickly: (TA:) also, a woman that quickly becomes lean, or emaciated: (K:) pl. مَلَاوِيحُ. (TA.) b4:  مِلْوَاحٌ A beast (S) that quickly becomes thirsty; (S, K;) as also ↓ مِلْوَحٌ (K) and مِلْيَاحٌ; (IAar, K;) the last extr., as though the و were changed into ى because of the kesreh which is near before it, and as though they had imagined a kesreh to the ل. (ISd.) b5:  رِيحٌ مِلْوَاحٌ [A very thirsty wind]. (TA, voce نَكْبَآءُ.) A2:  [A kind of decoy-bird. See رَامِقٌ.]مِلْيَاحٌ: see مِلْوَاحٌ.مُلَوَّحٌ Altered by fire, or by the sun, or by travel, [&c.]: an arrow, before it is furnished with feathers and a head, altered by fire; and in like manner the iron head of an arrow or of a spear, or the like: (TA:) also ↓ مُلْتَاحٌ altered (K) by the sun, or by travel, &c. (TA.) مُلْتَاحٌ: see مُلَوَّحٌ.