three-centered arch

NOUN
19 LETTERS · STARTS WITH T

three-centered arch is a valid 19-letter word worth 28 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1H4R1E1E1-0C3E1N1T1E1R1E1D2A1R1C3H4
1 + 4 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 3 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does three-centered arch mean?

NOUN · 1 SENSE
1

A round arch whose inner curve is drawn with circles having three centers.

BROADER