Wiktionary
groin vaults
n. (groin vault English)
Usage examples of "groin vaults".
The nave of this Spanish baroque church, huge and old and lovely -- currently undergoing a little restoration -- featured a long central barrel vault, deep groin vaults on two sides, and a long center-aisle colonnade of massive thirty-foot columns that stood on ornately sculpted six-foot pedestals.
The massive pine trunks were columns in a vast nave, and the spreading boughs formed groin vaults and fan vaults high overhead.
The twelve-foot-high ceiling was composed of four groin vaults, and the shadows that lay across those concave surfaces were complex and intriguing.