underdrain

10 LETTERS · 3 SYLLABLES · STARTS WITH U

underdrain is a valid 10-letter word worth 12 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1N1D2E1R1D2R1A1I1N1

1 + 1 + 2 + 1 + 1 + 2 + 1 + 1 + 1 + 1 =12 PTS

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does underdrain mean?