sea star

3 definitions found

sea star - Collaborative International Dictionary of English v.0.48 :

  Sea star \Sea" star`\ (Zool.)
     A starfish, or brittle star.
     [1913 Webster]

  Starfish \Star"fish`\ (-f[i^]sh`), n.
     1. (Zool.) Any one of numerous species of echinoderms
        belonging to the class Asterioidea, in which the body is
        star-shaped and usually has five rays, though the number
        of rays varies from five to forty or more. The rays are
        often long, but are sometimes so short as to appear only
        as angles to the disklike body. Called also sea star,
        five-finger, and stellerid.
        [1913 Webster]
  
     Note: The ophiuroids are also sometimes called starfishes.
           See Brittle star, and Ophiuroidea.
           [1913 Webster]
  
     2. (Zool.) The dollar fish, or butterfish.
        [1913 Webster]

sea star - WordNet (r) 2.1 (2005) :

  sea star
      n 1: echinoderms characterized by five arms extending from a
           central disk [syn: starfish, sea star]