Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A covering flap in animals, such as a gill cover.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.
Definition source: English Wiktionary via Wiktextract
Topics: biology, botany, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.
Definition source: English Wiktionary via Wiktextract
Topics: dentistry, medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A structure which serves as a cover or lid.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
One of several flaps of cerebral cortex covering the insula.
Definition source: English Wiktionary via Wiktextract
Topics: anatomy, medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: plate
History
Etymology tree Proto-Indo-European *h1ep-der. Proto-Indo-European *h1épsder. Proto-Indo-European *h1epi Proto-Indo-European *h2wer- Proto-Indo-European *-yeti Latin operiō Latin -culum Latin operculumbor. English operculum Borrowed from Latin operculum.
Across languages
21 source translations are retained for this English entry.
