spiracle

noun

spi·ra·cle ˈspir-i-kəl How to pronounce spiracle (audio)

ˈspī-ri-

: a breathing hole : vent

: a breathing orifice: such as

: blowhole sense 2

: 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

spiracular

spə-ˈra-kyə-lər How to pronounce spiracle (audio)

spī-

adjective

Example Sentences

Recent Examples on the Web Some modern-day fishes that breathe air have similarly large spiracles.

John A. Long, Scientific American, 20 May 2020 The skull of Elpistostege contains a clue: at the back of the head is a pair of large holes called spiracles.

John A. Long, Scientific American, 20 May 2020 Sturgeon have holes in their sides called spiracles, which help them breathe along with their gills.

National Geographic, 25 Feb. 2020 Also, an up-close look reveals intake vents (spiracles) behind the eyes for circulating water through the gills and out on the saw’s underside for exhaling.

David A. Brown, Field & Stream, 13 Dec. 2019 The photographs showed children touching the animal, unintentionally covering the spiracle.

Robert Newhouse, Teen Vogue, 17 Aug. 2017 When disturbed, say by a predator, these North American insects compress their bodies and squeeze air out of holes in the sides of their bodies, called spiracles.

National Geographic, 26 Apr. 2017 See More

Word History

Etymology

Middle English, from Latin spiraculum, from spirare to breathe

First Known Use

15th century, in the meaning defined at sense 1

单词	spiracle
释义	spiracle noun spi·ra·cle ˈspir-i-kəl ˈspī-ri- 1 : a breathing hole : vent 2 : a breathing orifice: such as a : blowhole sense 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 spiracular spə-ˈra-kyə-lər spī- adjective Example Sentences Recent Examples on the Web Some modern-day fishes that breathe air have similarly large spiracles. John A. Long, Scientific American, 20 May 2020 The skull of Elpistostege contains a clue: at the back of the head is a pair of large holes called spiracles. John A. Long, Scientific American, 20 May 2020 Sturgeon have holes in their sides called spiracles, which help them breathe along with their gills. National Geographic, 25 Feb. 2020 Also, an up-close look reveals intake vents (spiracles) behind the eyes for circulating water through the gills and out on the saw’s underside for exhaling. David A. Brown, Field & Stream, 13 Dec. 2019 The photographs showed children touching the animal, unintentionally covering the spiracle. Robert Newhouse, Teen Vogue, 17 Aug. 2017 When disturbed, say by a predator, these North American insects compress their bodies and squeeze air out of holes in the sides of their bodies, called spiracles. National Geographic, 26 Apr. 2017 See More Word History Etymology Middle English, from Latin spiraculum, from spirare to breathe First Known Use 15th century, in the meaning defined at sense 1 Kids Definition spiracle noun spi·ra·cle ˈspir-ə-kəl : an opening on the body (as of an insect) used for breathing
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spiracle

noun

Example Sentences

Word History

Kids Definition

noun