arch buttress

13 LETTERS · STARTS WITH A

arch buttress is a valid 13-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1R1C3H4B3U1T1T1R1E1S1S1

1 + 1 + 3 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does arch buttress mean?