WordReference Random House Unabridged Dictionary of American English © 2026
reg•ma
(reg′mə),USA pronunciation n., pl. -ma•ta (-mə tə).USA pronunciation [Bot.]
- Botanya dry fruit consisting of three or more carpels that separate from the axis at maturity.
- Greek rhêgma fracture, break, equivalent. to rhēg(nýnai) to break, shatter + -ma noun, nominal suffix of result
- Neo-Latin
- 1830–40