1. of, relating to, or resembling a sea anemone or the order Actiniaria
Usage: zoology

1. a sea anemone; any member of the order Actiniaria
Usage: zoology

Examples

• The actinian polyps attached themselves to the rocky substrate.
• Marine biologists studied the actinian species found in the tide pools.
• The bright colors of the actinian made it easy to spot among the coral.
• This actinian exhibits the typical tentacle arrangement of its order.
• The aquarium featured several actinian specimens from different ocean regions.