جوشجَوْشٌ The breast; (S, A, K;) as also جُؤْشُوشٌ (S) and جَوْشٌ: (S, A:) and [particularly] that of a man; as also ↓ جُوشٌ: (K:) and the middle of a man. (K.) b2:  Also (assumed tropical:)  The fore part (صَدْر) of the night; like جَرْشٌ; (S;) and so ↓ جُوشٌ: (TA:) or the middle thereof; (K;) as also جَوْزٌ: (AA:) and a great portion thereof: or of the latter part thereof: (K:) or a portion of the latter part thereof: (TA:) or from the time of a quarter to a third thereof. (T, TA.) You say, مَضَى جَوْشٌ مِنَ اللَّيْلِ (assumed tropical:)  [A portion of the fore part, &c., of the night passed]. (S.) جُوشٌ: see above, in two places.