Pyrena

//paɪˈɹiːnə// noun

Definitions

Noun
  1. 1
    A nutlet resembling a seed, or the stone of a drupe, comprising the endocarp and the kernel.

    "Holonyms: pericarp < drupe, stone fruit"

Etymology

From New Latin pyrēna, from Ancient Greek πῡρήν (pūrḗn, “fruit-stone”).

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