sloping trough

NOUN
14 LETTERS · STARTS WITH S

sloping trough is a valid 14-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1L1O1P3I1N1G2T1R1O1U1G2H4
1 + 1 + 1 + 3 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 2 + 4 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does sloping trough mean?

NOUN · 1 SENSE
1

Sloping channel through which things can descend.