عَايءِصٌ

2.
Also A ewe, or she-goat, that has not conceived for some years: (S, O, K:) plural عُوصٌ, (O, K,) [and apparently عِيصٌ,] made to accord with عُوطٌ and عِيطٌ. (O, TA.)

Perseus ID: n31013