concave

ADJECTIVE /kɑn'keɪv/
7 LETTERS · 2 SYLLABLES · STARTS WITH C

concave is a valid 7-letter word worth 14 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1N1C3A1V4E1
3 + 1 + 1 + 3 + 1 + 4 + 1 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does concave mean?