domestic cat

NOUN
12 LETTERS · STARTS WITH D

domestic cat is a valid 12-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2O1M3E1S1T1I1C3C3A1T1
2 + 1 + 3 + 1 + 1 + 1 + 1 + 3 + 0 + 3 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does domestic cat mean?