cubic yard

NOUN /kjubɪk_jɑrd/
10 LETTERS · STARTS WITH C

cubic yard is a valid 10-letter word worth 19 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3U1B3I1C3Y4A1R1D2
3 + 1 + 3 + 1 + 3 + 0 + 4 + 1 + 1 + 2 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does cubic yard mean?