أَسُلَ

, aorist اَسُلَ , (S, M, K,) verbal noun أَسَالَةٌ, (S, M, IAth,) It was smooth and even: (M:) it (anything) was lank: (S:) it (a cheek, M, IAth, K) was smooth and long: (M:) or long, or oblong, and not high in its ball: (IAth:) or long, (K, TA,) soft in make, (TA,) and lank. (K, TA.) أَسَالَةٌ in the cheek of a horse is approved, and is an indication of generous quality: you say, تُنْبِيءُ أَسَالَةُ خَدِّهِ عَنْ أَصَالَةِ جَدِّهِ [The smoothness and longness, &c., of his cheek tells of the generous origin of his ancestor]. (AO, Z.)