WordReference Random House Unabridged Dictionary of American English © 2026
brec•ci•ate
(brech′ē āt′, bresh′-),USA pronunciation v.t., -at•ed, -at•ing.
brec•ci•a•tion
(brech′ē ā′shən, bresh′-),USA pronunciation n.
- Rocks[Petrol.]to form as breccia.
- 1765–75; brecci(a) + -ate1