simple arc

10 LETTERS · STARTS WITH S

simple arc is a valid 10-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1M3P3L1E1A1R1C3

1 + 1 + 3 + 3 + 1 + 1 + 0 + 1 + 1 + 3 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does simple arc mean?