Spiracle Definition

spĭrə-kəl, spīrə-
noun
A small opening allowing the outer air to come through into a confined space; air hole.
Webster's New World
An aperture for breathing, as.
Webster's New World
A small vent formed on the surface of a thick lava flow.
Webster's New World
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Other Word Forms of Spiracle

Noun

Singular:
spiracle
Plural:
spiracles

Origin of Spiracle

  • Middle English from Latin spīrāculum from spīrāre to breathe

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

  • Latin spiraculum, from spirare (“to breathe").

    From Wiktionary

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