tryma

[ trahy-muh ]
/ ˈtraɪ mə /

noun, plural try·ma·ta [trahy-muh-tuh] /ˈtraɪ mə tə/. Botany.

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

Origin of tryma

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

British Dictionary definitions for tryma

tryma
/ (ˈtraɪmə) /

noun plural -mata (-mətə)

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

Word Origin for tryma

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