noun
- Plural of actinia; sea anemones, especially those of the genus Actinia.
Usage: zoology; marine biology
Examples
- The tide pools were home to several colorful actinias clinging to the rocks.
- Marine biologists studied the actinias to understand their feeding behavior.
- Actinias are common inhabitants of rocky coastal areas.
- The aquarium displayed a collection of actinias from different ocean regions.