زَالٌّ

Deficient in weight; applied to a dirhem, (S, Msb, K, TA,) and to a deenár: (TA:) plural زَوَالٌّ, (Msb,) or زُلَّلٌ. (TA.) One says, مِنْ دَنَانِيرِكَ زِلَّلٌ وَمِنْهَا وُزَّنٌ [Of thy deenárs are such as are deficient in weight, and of them are such as are of full weight]. (TA.)