فَسَا

, (aorist يَفْسُو, Msb,) verbal noun فَسْوٌ (S, M, Msb, K) and فُسَاءٌ, (M, K,) or this latter is a simple subst., (S, Msb,) He emitted a noiseless wind [or a puff of wind] (Msb, K, TA) from his anus. (K, * TA.) [Hence the saying, فَسَابَيْنَنَا الظَّرِبَانُ, or بَيْنَهُم, explained in article ظرب.]