box spanner

11 LETTERS · STARTS WITH B

box spanner is a valid 11-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3O1X8S1P3A1N1N1E1R1

3 + 1 + 8 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does box spanner mean?