noun
- Plural of pleon; the posterior body region of crustaceans, consisting of abdominal segments and the tail fan.
Usage: zoology; technical
Examples
- The pleons of shrimp contain most of the edible meat.
- Biologists examined the pleons of the crustacean specimens under the microscope.
- The segmented pleons of lobsters allow for powerful swimming movements.
- Researchers counted the appendages on the pleons of various crab species.