English Lexicon

Osculum

/ˈɒs.kjʊ.ləm/
nounCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A small opening or orifice, especially in a biological or anatomical context.

    "The osculum of the sponge allows water to flow out after filtering."
  2. 2

    In zoology, a term referring to the mouth-like opening of certain organisms.

    "The osculum of the sea sponge is crucial for its feeding process."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'osculum' originates from Latin, meaning 'little mouth' or 'kiss'. It was used in various contexts in ancient Rome, including in religious and anatomical references, evolving to denote a small opening or aperture in modern usage.

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