ribbed vault

NOUN
12 LETTERS · STARTS WITH R

ribbed vault is a valid 12-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1I1B3B3E1D2V4A1U1L1T1
1 + 1 + 3 + 3 + 1 + 2 + 0 + 4 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does ribbed vault mean?

NOUN · 1 SENSE
1

Vault that resembles a groined vault but has ribbed arches.

BROADER