Definition

1. Noun:
   • A sea anemone is a marine animal that resembles a flower. It is a type of polyp with a soft, cylindrical body and a ring of tentacles surrounding its mouth. Unlike corals, sea anemones do not form a hard skeleton.

Examples of Usage

• Noun:
  • We saw a colorful sea anemone attached to the rock in the tide pool.
  • The clownfish finds shelter among the tentacles of the sea anemone.

Advanced Usage

• "Sea anemone" as a model organism: In marine biology, the sea anemone is often studied for its simple nervous system and symbiotic relationships.
  • The researcher used the sea anemone to understand basic animal development.

Variants and Related Words

• Anemone (n): A shorter, common name for sea anemone, though this word can also refer to a type of terrestrial flower.
  • The diver pointed out a large anemone on the reef.
• Actiniarian (n, adj): A technical term relating to or describing sea anemones.
  • The actiniarian species displayed a variety of tentacle patterns.

Synonyms

• Actinia (n): A genus name often used as a synonym for sea anemones in general.
• Sea flower (n, informal): A poetic or descriptive synonym highlighting its flower-like appearance.

Related Phrases

• "Anemonefish host": Refers to the symbiotic relationship where certain fish live within a sea anemone.
  • The anemonefish host provides the clownfish with protection from predators.

Related Idioms

Noun

1. marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton