Operculum Definition

ō-pûrkyə-ləm
opercula, operculum
noun
Any of various covering flaps or lidlike structures in plants and animals.
Webster's New World
The portions of the frontal, parietal, and temporal lobes covering the insula.
American Heritage Medicine
The attached flap in cases of torn retinal detachment.
American Heritage Medicine
A bit of mucus sealing the endocervical canal of the uterus after conception.
American Heritage Medicine

Other Word Forms of Operculum

Noun

Singular:
operculum
Plural:
opercula

Origin of Operculum

  • Latin lid from operīre to cover wer-4 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin operculum.

    From Wiktionary

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operculum