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

Operculum Sentence Examples

  • Above the mouth is the lid (operculum), which varies in size from a small narrow process to a large heartshaped expansion.

  • Spire of shell much reduced; two bipectinate ctenidia, the right being the smaller; no operculum.

  • Very usually, but not universally, the metapodium carries an operculum.

  • Cyclostoma, shell turbinated, operculum calcareous, British.

  • Foot divided into two, posterior half bearing the operculum; a wide epipodial velum; shell turbinated.

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Words Starting With

OOPOPE

Words Ending With

MUMLUM

Unscrambles

operculum

Words Starting With O and Ending With M

Starts With O & Ends With MStarts With OP & Ends With MStarts With O & Ends With UM

Word Length

9 Letter Words9 Letter Words Starting With O9 Letter Words Ending With M