arming cap

10 LETTERS · STARTS WITH A

arming cap is a valid 10-letter word worth 16 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1R1M3I1N1G2C3A1P3

1 + 1 + 3 + 1 + 1 + 2 + 0 + 3 + 1 + 3 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does arming cap mean?