modal auxiliary

NOUN
15 LETTERS · STARTS WITH M

modal auxiliary is a valid 15-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3O1D2A1L1A1U1X8I1L1I1A1R1Y4
3 + 1 + 2 + 1 + 1 + 0 + 1 + 1 + 8 + 1 + 1 + 1 + 1 + 1 + 4 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does modal auxiliary mean?

NOUN · 1 SENSE
1

An auxiliary verb (such as `can' or `will') that is used to express modality.