BT Yev 110b(49) :בת מיניה היא ובת ביאה היא‏ : she is of his kind and one for whom coitus is allowed
See the entire entry for mīn, mīnā n.m. kind

BT Yev 110b(49) :כי קא מיסתפקא לן‏ : when we are in doubt
See the entire entry for spq#2 vb. to be in doubt