WordReference Random House Unabridged Dictionary of American English © 2026
ar•cu•a•tion
(är′kyo̅o̅ ā′shən),USA pronunciation n.
- the state of being bent or curved.
- Architecturethe use of arches in building.
- Architecturea system or grouping of arches.
- Latin arcuātiōn- (stem of arcuātiō) a curving, equivalent. to arcuāt(us) curved (see arcuate) + -iōn- -ion
- 1690–1700