base tree

9 LETTERS · STARTS WITH B

base tree is a valid 9-letter word worth 10 points in Scrabble and 11 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3A1S1E1T1R1E1E1

3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =10 PTS

DOUBLE WORD → 20TRIPLE WORD → 30

MEANING

What does base tree mean?