جيش1 جَاشَ, (S, A, Msb, K,) aor. ـِ (S, Msb, K,) inf. n. جَيْشٌ (Msb, K) and جَيَشَانٌ (T, K) and جُيُوشٌ, (K,) said of a cooking-pot (T, S, A, Msb, K) &c., (T, A, K,) It boiled, or estuated: (T, S, A, Msb, K:) or began to do so, not yet boiling or estuating; this latter being said by some to be the correct meaning. (Ib, L, TA.) b2:  (tropical:)  It (the sea) estuated (A, * K, TA) with the waves, (A, TA,) so that it was unnavigable. (TA.) b3:  (assumed tropical:)  It (a valley) flowed with much water, its water, or waves, rising high. (S, K. *) b4:  (assumed tropical:)  It (a water-spout, or pipe,) poured forth water: (TA:) and [in like manner] you say of the eye, جَاشَتْ, meaning, (assumed tropical:)  it flowed, or overflowed, with tears. (K.) b5:  (assumed tropical:)  He (a horse) reared, and became excited. (TA.) b6:  جَاشَتْ نَفْسُهُ, (S, K,) or جَاشَتْإِلَيْهِ نَفْسُهُ, (A,) (tropical:)  His soul [or stomach] heaved; or became agitated by a tendency to vomit; syn. غَثَتْ; (S, K, TA;) or فَارَتْ; (T in art. ثور; see ثَارَتْ نَفْسُهُ in that art.;) as though what was in his belly rose to his fauces: (TA:) or his soul [as it were] turned round, [i. e., he became giddy,] with the tendency to vomit: (S, K:) as also ↓ تجيّشت; (K;) which occurs in the former of these senses in a trad.: (TA:) and جَاشَتْ نَفْسُهُ also signifies his soul [or stomach] heaved, by reason of grief or fright; (K;) [as also جَأَشَتْ;] or when this last signification is meant, you say جَشَأَتْ: (S:) and his (a coward's) soul purposed flight: or was frightened: as also جَأَشَتْ, in either of these two senses: (TA:) and جَاشَتْإِلَيْهِ النَّفْسُ his heart quitted its place by reason of fear. (EM p. 79.) b7:  جَاشَ صَدْرُهُ (tropical:)  His bosom boiled with wrath, or rage. (TA.) You say also, صَدْرُهُ يَجِيشُ عَلَىَّ بِالغِلِّ (tropical:)  [His bosom boils against me with rancour, malevolence, malice, or spite; or with latent rancour, &c.]. (A.) b8:  جَاشَ الهَمُّ فِى الصَّدْرِ Anxiety boiled in the bosom: and in like manner, جَاشَتِ الغُصَّةُ فِى الصَّدْرِ (assumed tropical:)  [Choking wrath or rage boiled in the bosom]. (T, TA.) b9: جَاشَت الحَرْبُ بَيْنَهُمْ (A, L) (tropical:)  War, or the war, [boiled, or raged, or] began to boil [or rage,] between them. (L, TA.) b10:  In the following words of a poet, cited by IAar, قَامَتْ تَبَدَّى لَكَ فِى جَيْشَانِهَا (assumed tropical:)  [She arose, showing herself to thee] in her strength and youth, [تَبَدَّى being for تَتَبَدَّى,] جيشان, [the inf. n.,] meaning as rendered above, is with sukoon [to the ى] by poetic license. (ISd, TA.) 2 جيّش, [from جَيْشٌ,] He collected, or assembled, armies, or military forces. (S.) And جيّش جَيْشًا [He collected, or assembled, an army, or a military force]. (A.) 5 تجيّشت نَفْسُهُ: see 1.A2:  [تجيّشوا, from جَيْشٌ, They became collected, or assembled, as an army, or a military force: or they formed themselves into an army, or a military force.]10 استجاش, [from جَيْشٌ,] He demanded, or summoned, armies, or military forces, مِنْ مَحَلِّ كَذَا from such a place. (A.) And استجاشهُ He demanded of him an army, or a military force. (S.) جَاشٌ: see جَأْشٌ, in art. جأش, in two places; and see الجَائِشَةُ, below.جَيْشٌ An army; a military force: (A, K:) or a body of men in war: (TA:) or men going to war or for some other purpose: (T, K, TA:) pl. جُيُوشٌ. (S, A Msb, K.) جَيْشَةٌ A single rising, or heaving, or the like: pl. جَيْشَاتٌ: hence the phrase جَيْشَاتُ الأَبَاطِيلِ [app. meaning The risings of false or vain things in the mind, or the like]. (TA.) مِرْجَلٌ جَيَّاشٌ [A cooking-pot boiling, or boiling much]. (A.) b2:  فَرَسٌ جِيَّاشٌ (assumed tropical:)  A horse that rears and is excited when thou puttest him in motion with thy heel. (K * TA.) الجَائِشَةُ The soul; syn. النَّفْسُ; (K;) [as also الجَأْشُ, sometimes written ↓ الجَاشُ, without ء;] mentioned by some in art. جأش. (TA.) Quasi