asteroidea

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Definitions from WordNet

Noun asteroidea has 1 sense

Asteroidea, class Asteroidea - sea stars
--₁ is a kind of class
--₁ is a member of Echinodermata, phylum Echinodermata
--₁ has members: starfish, sea star

Definitions from the Web

Asteroidea

Noun:

1. A class of marine echinoderms, known as the starfish or sea stars.

Example sentence: The Asteroidea can regenerate their arms if they are broken off.

Noun:

2. The collective term for all the species of starfish.

Example sentence: The Asteroidea play a vital role in maintaining a healthy marine ecosystem.

Adjective:

1. Relating to or resembling a starfish.

Example sentence: The diver was fascinated by the asteroidea pattern on the sea floor.