noun
- a small antenna, especially the first pair of antennae in crustaceans
Usage: zoology
Examples
- The shrimp’s antennules help it detect chemical signals in the water.
- Marine biologists examined the antennules under a microscope.
- Each antennule contains sensory receptors for smell and taste.
- The lobster uses its antennules to locate food sources.
- Damage to the antennules can affect the crab’s ability to navigate.