tryma

[ trahy-muh ]

noun

, Botany.

, plural try·ma·ta [trahy, -m, uh, -t, uh].

1. a nut having an outer shell that becomes tough and dry and eventually splits open, as in the walnut and hickory.

tryma

/ ˈtraɪmə /

noun

1. botany a drupe produced by the walnut and similar plants, in which the endocarp is a hard shell and the epicarp is dehiscent

Word History and Origins

Origin of tryma¹

1855–60; < New Latin < Greek trŷma hole, equivalent to trȳ́ ( ein ) to rub down, wear away + -ma noun suffix marking result

Word History and Origins

Origin of tryma¹

C19: from New Latin, from Greek truma a hole (referring to the hollow drupe), from truein to wear away