spiracle

Other forms: spiracles

Definitions of spiracle
  1. noun
    a breathing orifice
    see moresee less
    types:
    blowhole
    the spiracle of a cetacean located far back on the skull
    stigma
    an external tracheal aperture in a terrestrial arthropod
    type of:
    opening, orifice, porta
    an aperture or hole that opens into a bodily cavity
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