tryma

American  

[trahy-muh] / ˈtraɪ mə /

noun

Botany.

trymata plural

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

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tryma British  

/ 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

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Other Word Forms

Noun Inflected Forms

• trymata
  plural

Etymology

Origin of tryma

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