closed arc

10 LETTERS · STARTS WITH C

closed arc is a valid 10-letter word worth 14 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3L1O1S1E1D2A1R1C3

3 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 3 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does closed arc mean?