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
Other Word Forms of Spiracle
Noun
Singular:
spiraclePlural:
spiraclesOrigin of Spiracle
Middle English from Latin spīrāculum from spīrāre to breathe
From American Heritage Dictionary of the English Language, 5th Edition
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Latin spiraculum, from spirare (“to breathe").
From Wiktionary
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