Definitions for spiracles

• Definition
• Anagrams (761)

spiracles spi·ra·cle

Spelling: [spahy-ruh-kuh l, spir-

IPA: /ˈspaɪ rə kəl, ˈspɪr ə-/

Spiracles is a 9 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 15 points.

You can make 761 anagrams from letters in spiracles (aceilprss).

Definitions for spiracles

noun

1. a breathing hole; an opening by which a confined space has communication with the outer air; air hole.
2. Zoology. an aperture or orifice through which air or water passes in the act of respiration, as the blowhole of a cetacean. an opening in the head of sharks and rays through which water is drawn and passed over gills. one of the external orifices of the tracheal respiratory system of certain invertebrates, usually on the sides of the body.

Origin of spiracles

1300-50; Middle English Latin spīrāculum air hole, equivalent to spīrā(re) to breathe + -culum -cle²

Examples for spiracles

No, he breathes through his spiracle alone; and this is on the top of his head.

It either covers arial vesicles, or is the seat of a spiracle.

H are seen the long filiform external gills which now project out from all the visceral clefts, including the spiracle.

Small capitate processes or organs, observable under the wings of Diptera, attended by a spiracle.

In common usage the hyomandibular cleft is called the spiracle, and the series of clefts behind it the branchial clefts.

Laterostigmatal: situated on the side, immediately above the spiracle.

The external gills have not appeared on the first cleft or spiracle.

There is on the side of each of these segments near its front margin a tiny opening or pore called a spiracle.

In many sharks and in sturgeons the spiracle forms a conspicuous opening just behind the eye.

In all four stages, spiracle persistent, and pigmentation resembling that of early stages.