spiracle

/หˆspษชษนษ™kษ™l/

IPA: /S P IH1 R AH0 K AH0 L/

noun
  1. 1

    A pore or opening used (especially by arthropods and some fish) for respiration.

  2. 2

    The blowhole of a whale, dolphin or other similar species.

  3. 3

    Any small aperture or vent for air or other fluid.

Source: https://en.wiktionary.org/wiki/spiracle