bioarm

NOUN
6 LETTERS · STARTS WITH B

bioarm is a valid 6-letter word worth 10 points in Scrabble and 12 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3I1O1A1R1M3
3 + 1 + 1 + 1 + 1 + 3 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does bioarm mean?