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spiracle

spi·ra·cle

spiracle

 
pronunciation:
spi r kl [or] spaI r kl
features:
Word Parts
part of speech: noun
definition 1: an opening or hole that allows for the passage of air for breathing or ventilation; air hole.
similar words:
outlet, vent
definition 2: in zoology, an aperture for breathing, such as a whale's blowhole, the opening behind the eye of sharks, rays, and skates, or the tracheal openings on the sides of the bodies of certain insects and spiders.
similar words:
vent
definition 3: a small vent on the surface of a lava flow, formed by gases.
similar words:
vent
derivation: spiracular (adj.)
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