sailing auxiliary

17 LETTERS · STARTS WITH S

sailing auxiliary is a valid 17-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1A1I1L1I1N1G2A1U1X8I1L1I1A1R1Y4

1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 8 + 1 + 1 + 1 + 1 + 1 + 4 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does sailing auxiliary mean?