حدب1 حَدِبَ, aor. ـَ inf. n. حَدَبٌ; (S, * A, Mgh, * Msb, K;) and ↓ احدبّ, and ↓ تحادب, (K,) and ↓ احدودب; (S, K;) He (a man, Msb) was, or became, humpbaked; (Mgh, Msb;) he had a prominent, or protuberant, back, and a hollow, or receding, chest (A, * K) and belly: (K:) [accord. to the Msb, from حَدَبٌ signifying “ elevated  ground; ” but the reverse is indicated in the A:] and it (the back) was, or became, humped, or protuberant; (S, A; *) as also ↓ انحدب. (KL.) b2:  And the first, (assumed tropical:)  It (a thing) rose, or grew up or out, high: (KL:) [it was, or became, gibbous, or convex; as also ↓ احدودب.] b3:  حَدِبَ عَليْهِ, (S, A, K,) inf. n. as above; (KL, TA;) and ↓ تحدّب; (S, A, K;) (tropical:)  He was, or became, affectionate, favourable, or kind, to him. (S, A, * K, KL, TA.) And حَدِبَتْ عَلَى وَلَدِهَا, (K, * TA,) inf. n. as above; (TA;) and ↓ تحدّبت; (K;) (tropical:)  She (a woman) applied herself constantly to the care of her child, or children, after the loss of her husband, not marrying again. (K, TA.) A2:  حَدَبَ عَنْهُ, aor. ـِ inf. n. حَدْبٌ, He repelled from him, and defended him. (MF, TA.) 2 تَحْدِيبٌ [inf. n. of حدّب] The act of elevating, or raising high, the back. (KL.) b2: [And, accord. to Golius, as on the authority of the KL, The making a thing gibbous, or convex: but this meaning which the word has in the present day, I do not find in my copy of the KL.]4 احدبهُ He (God) rendered him humpbacked. (S.) b2:  (assumed tropical:)  He, or it, rendered him affectionate, favourable, or kind. (KL.) 5 تَحَدَّبَ see 1, in two places. b2:  تحدّب بِهِ He, or it, clung, or clave, to it. (K, TA.) 6 تَحَاْدَبَ see 1.7 إِنْحَدَبَ see 1.9 إِحْدَبَّ see 1.12 إِحْدَوْدَبَ see 1, in two places. b2:  Also (assumed tropical:)  It (sand) was, or became, curved, or winding; or curved, or winding, and long. (K.) حَدَبٌ (tropical:)  High, or elevated, ground; so in the Kur xxi. 96; (S, A, Msb;) as also ↓ حَدَبَةٌ; and so حَدَبٌ مِنَ الأَرْضِ: (A:) or rugged and high ground: (T, K:) pl. حِدَابٌ (S) [and app., accord. to the TA, أَحْدَابٌ also, a pl. of pauc.]. and حَدَبُ الرَّمْلِ (tropical:)  Sand brought by the wind, [or blown together,] and elevated. (A, TA.) and hence, as being likened to such sand, (IAar, TA,) حَدَبُ البُهْمَى (tropical:)  What is scattered, and heaped up, of [the species of barley-grass called] بهمى. (IAar, K, TA.) And حَدَبُ المَآءِ (assumed tropical:)  The elevated waves of water: (T, TA:) or the rolling over of water, volume over volume: (K, TA:) or the rolling of water in waves. (TA.) And حَدَبُ الغَدِيرِ (assumed tropical:)  The motion and waves of the pool of water left by a torrent. (IAar, TA.) And حَدَبُ السَّيْل (tropical:)  The rise, or swell, and abundance, of the torrent. (A, TA.) b2:  (assumed tropical:)  A slope in a declivity; expl. by حَدُورٌ فِى صَبَبٍ, as in the correct copies of the K, and in the L; in some copies of the K حدوب; (TA;) [in the CK حُدُورٌ;] as the حَدَب of waves (in some copies of the K, of the wind, TA, [an evident mistranscription, الريح for الموج,]) and of sand. (K.) b3:  (assumed tropical:)  A mark left upon the skin; (As, K;) such as the [weal or] swelling and thickness produced by beating. (As, TA.) b4:  (tropical:)  The intenseness of the cold of winter. (A, K.) A2:  A certain plant: or the [plant called] نَصِىّ. (K.) حَدِبٌ: see أَحْدَبُ. b2:  Also (tropical:)  Affectionate, favourable, or kind. (A, TA.) You say, هُوَ حَدِبٌ عَلَى أَخِيهِ (tropical:)  He is affectionate, &c., to his brother. (A.) A2:  أَرْضٌ حَدِبَةٌ A land abounding with the plant called حَدَب. (K.) حَذَبَةٌ A hump on the back. (Az, S, A, Mgh.) b2:  See also حَدَبٌ.حَدَابِ, like قَطَامِ, (K,) indecl., (TA,) (assumed tropical:)  A year of drought, barrenness, or dearth: (K:) or a year of severe drought. (TA.) حُدَيْبَآءُ: see what next follows.أَحْدَبُ Humpbacked; (S, Mgh, Msb;) having a prominent, or protuberant, back, and a hollow, or receding, chest and belly; (K;) and ↓ حَدِبٌ signifies the same: (Sb, S, K:) fem. of the former حَدْبَآءُ: (Msb:) and pl. حُدْبٌ. (Msb, TA.) اِبْنَةٌ↓ حُدَيْبَآءُ (dim. of حَدْبَآءُ), meaning A little humpbacked daughter, occurs in a trad. (TA.) b2: Hence, آلَةٌ حَدْبَآءُ, (see a verse of Kaab Ibn-Zuheyr, voce آلَةٌ, in art. اول,) (assumed tropical:)  A gibbous bier: (A, * TA:) or (as used in that verse) it means a distressing state, or condition: or an elevated apparatus. (TA.) And رَمْلَةٌ حَدْبَآءُ (assumed tropical:)  [A gibbous tract of sand]. (ISh, K in art. دبح, &c.) And نَاقَةٌ حَدْبَآءُ, (S, A,) or دَابَّةٌ حدبَآءُ, (K,) (tropical:)  A she-camel, (S, A,) or a beast, (K,) the prominent parts of whose hips, (S, A, K,) and the bone of whose back, (TA,) appear, (S, A, K,) by reason of her leanness. (A, TA.) And حَدْبَآءُ حِدْبِيرٌ and حِدْبَارٌ are expressions used in the same sense: (L, TA:) pl. حُدْبٌ حَدَابِيرُ. (S, L, TA.) b3:  الأَحْدَبُ is the name of A vein (عِرْق) penetrating into, or lying within, the bone (عَظْمَ [app. a mistranscription for عَظَمَة the upper portion]) of the fore-arm. (K.) b4:  أَمْرٌ أَحْدَبُ (A) and خُطَّةٌ حَدْبَآءُ (A, TA) (tropical:)  A difficult affair: (A, TA:) and أُمُورٌ حُدْبٌ (A, TA) and حُدْبُ الأُمُورِ (K) (tropical:)  difficult affairs; (A, K, TA;) sing. حَدْبَآءُ [for خُطَّةٌ حَدْبَآءُ or the like]. (K.) And سَنَةٌ حَدْبَآءُ (tropical:)  A severe, cold year. (A, TA.) [Hence,] وَسِيقٌ أَحْدَبُ (assumed tropical:)  A quick driving. (TA.) b5:  [Hence, also,] الأَحْدَبُ [used as a subst.] (assumed tropical:)  Vehemence, severity, difficulty, or distress; syn. الشِّدَّةُ. (K.) A2:  [Also (assumed tropical:)  More, and most, affectionate, favourable, or kind.] أَحْدَبُهُمْ عَلَىالمُسْلِمِينَ, said of Aboo-Bekr, in a trad. of 'Alee, means (assumed tropical:)  The most affectionate, favourable, or kind, of them, to the Muslims. (TA.)