BT Ber 6a(15) :שונרתא אוכמתא בת אוכמתא‏ : a black cat daughter of a black one
See the entire entry for šwnrh n.f. cat

BT Ber 6a(15) :שלייתא דשונרתא אוכמתא‏ : the placenta of a black cat
See the entire entry for ši/alyā, šlīṯā n.f. afterbirth