spiracle: significado y definiciones

Zoology A respiratory aperture, especially:

Zoology Any of several tracheal openings in the exoskeleton of an insect or a spider.

Zoology A small respiratory opening behind the eye of certain fishes, such as sharks, rays, and skates.

Zoology The blowhole of a cetacean.

An aperture or opening through which air is admitted and expelled.