sergeant instructor

19 LETTERS · STARTS WITH S

sergeant instructor is a valid 19-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1R1G2E1A1N1T1I1N1S1T1R1U1C3T1O1R1

1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does sergeant instructor mean?