third rank

10 LETTERS · STARTS WITH T

third rank is a valid 10-letter word worth 17 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4I1R1D2R1A1N1K5

1 + 4 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 5 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does third rank mean?