baby grand piano

NOUN
16 LETTERS · STARTS WITH B

baby grand piano is a valid 16-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3A1B3Y4G2R1A1N1D2P3I1A1N1O1
3 + 1 + 3 + 4 + 0 + 2 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does baby grand piano mean?