catchment basin

NOUN /kæʧmənt_'beɪsən/
15 LETTERS · STARTS WITH C

catchment basin is a valid 15-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3A1T1C3H4M3E1N1T1B3A1S1I1N1
3 + 1 + 1 + 3 + 4 + 3 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does catchment basin mean?

NOUN · 1 SENSE
1

The entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet.