noun
- small hook-like structures or bristles found on certain marine worms, used for locomotion and anchoring
Usage: biology; zoology
Examples
- The polychaete worm uses its uncini to grip the substrate.
- Marine biologists examined the uncini under a microscope.
- The uncini help the worm move through sediment.
- Each segment of the worm contains multiple uncini.
- The shape of uncini varies among different worm species.