'Regma' definitions:

Definition of 'Regma'

From: GCIDE

Regma \Reg"ma\ (r?g"m?), n. [NL., fr. Gr. ????, -???, fracture, fr. ?????? to break.] (Bot.) A kind of dry fruit, consisting of three or more cells, each which at length breaks open at the inner angle. [1913 Webster]