captive bolt

12 LETTERS · STARTS WITH C

captive bolt is a valid 12-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1P3T1I1V4E1B3O1L1T1

3 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does captive bolt mean?