BT BB 91a(23) :כודניא עקרא‏ : a barren mule
See the entire entry for *kōḏanī, kōḏanyā/kōḏnīṯā n.f. mule

BT BB 91a(23) :כודניא עקרא‏ : sterile mule
See the entire entry for ˁqar adj. sterile, infertile