حَسْوَةٌ
A single act of supping or sipping; (S, * K;) as also
حُسْوَةٌ; but the former is the more chaste: (K:) some say that these are dialect vars., like نَغْبَةٌ and نُغْبَةٌ, and جَرْعَةٌ and جُرْعَةٌ: but according to Yoo, the former denotes the act, and the latter is the [proper] subst. (TA.) See also what next follows.