spiracle
part of speech
noun (a spiracle, spiracles)
meaning for a pupil
1) A spiracle is a tiny breathing hole in the side of an insect's or spider's body. tree →
2) In some fish, like sharks and rays, and in whales, a spiracle is a breathing opening on the head (a whale's blowhole is sometimes called this). tree →
sense in the lessons
Science: insects do not have lungs; air goes in through spiracles along their body into tiny tubes called tracheae, which carry oxygen to the cells. Caterpillars have a row of spiracles you can see on their sides. Rays use spiracles behind their eyes to take in water while lying on the sea floor.
examples
- Insects breathe through spiracles. tree →
- We saw the spiracles on the caterpillar's side with a magnifying glass. tree →
- Air enters through the spiracles and travels down tubes. tree →
- A stingray has spiracles behind its eyes. tree →
- Spiracles can close to keep water out. tree →
- Insects have no lungs, only spiracles and air tubes. tree →
note
Said «SPY-ruh-kul» or «SPEER-uh-kul». Countable, usually plural. From Latin for «breath». Trap: insects do not breathe through their mouths.
Trees and pragmatics
Every meaning and example of «spiracle» parsed by Mova, each sentence with its dependency tree and frames.