sentry duty

NOUN
11 LETTERS · STARTS WITH S

sentry duty is a valid 11-letter word worth 17 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1N1T1R1Y4D2U1T1Y4
1 + 1 + 1 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 4 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does sentry duty mean?

NOUN · 1 SENSE
1

The duty of serving as a sentry.