noun spi·ra·cle \ˈspir-i-kəl, ˈspī-ri-\

Definition of SPIRACLE

:  a breathing hole :  vent
:  a breathing orifice: as
a :  blowhole 2
b :  an external tracheal aperture of a terrestrial arthropod that in an insect is usually one of a series of small apertures located along each side of the thorax and abdomen — see insect illustration
spi·rac·u·lar \spə-ˈra-kyə-lər, spī-\ adjective

Origin of SPIRACLE

Middle English, from Latin spiraculum, from spirare to breathe
First Known Use: 15th century

Rhymes with SPIRACLE


Next Word in the Dictionary: spiraculumPrevious Word in the Dictionary: spirableAll Words Near: spiracle
May 27, 2015
riot act Hear it
a vigorous reprimand or warning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears