noun
- a member of the class of arthropods that includes spiders, scorpions, mites, and ticks, characterized by having eight legs and no antennae
Usage: scientific
Examples
- The spider is a common arachnid found in most homes.
- Scorpions are arachnids that live in desert regions.
- Unlike insects, arachnids have eight legs instead of six.
- Ticks are tiny arachnids that can carry diseases.
- The biology class studied various arachnids under the microscope.
- Many people fear arachnids, especially spiders.
- Arachnids belong to the same phylum as insects and crustaceans.