spiracle
noun
- Inspirational organ of most cartilaginous fish
- openings on the surface of some animals, insects and plants
Wiktionary
Pronunciation: /ˈspɪɹəkəl/ / /ˈspirək(ə)l/
noun
Etymology: From Latin spiraculum, from spirare (“to breathe”).
- A pore or opening used (especially by arthropods and some fish) for respiration.
- The blowhole of a whale, dolphin or other similar species.
- Any small aperture or vent for air or other fluid.