لوح

شَىْءٌ لِيَاحٌ ذ , (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.)