صيح

صَيْحَانِىٌّ ذ , (T, S, A, Mgh, K,) or ↓ صَيْحَانٌ, (Msb,) A sort of dates of El-Medeeneh, (T, S, A, Mgh, Msb, K,) black, and hard to chew: (T, Mgh, TA:) said to be so called in relation to a certain ram, named صَيْحَانُ, that was tied to a palm-tree, (A, Msb, K, *) which was hence called نَخْلَةٌ صَيْحَانِيَّةٌ: (A, Msb:) or the name of the ram was الصَّيَّاحُ, and صَيْحَانِىٌّ is a rel. n. changed from its proper form, like صَنْعَانِىٌّ, (K, TA,) from صَنْعَاآءُ. (TA.)