Definition of starfish

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Starfish (n.) 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..

Lern More About Starfish

Crossfish :: Crossfish (n.) A starfish.
Paxillus :: Paxillus (n.) One of a peculiar kind of spines covering the surface of certain starfishes. They are pillarlike, with a flattened summit which is covered with minute spinules or granules. See Illustration in Appendix..
Tooth :: Tooth (n.) Any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish..
Tangle :: Tangle (v.) An instrument consisting essentially of an iron bar to which are attached swabs, or bundles of frayed rope, or other similar substances, -- used to capture starfishes, sea urchins, and other similar creatures living at the bottom of the sea..
Stellerida :: Stellerid (n.) A starfish.
Brachiolaria :: Brachiolaria (n. pl.) A peculiar early larval stage of certain starfishes, having a bilateral structure, and swimming by means of bands of vibrating cilia..
Typhlosole :: Typhlosole (n.) A fold of the wall which projects into the cavity of the intestine in bivalve mollusks, certain annelids, starfishes, and some other animals..
Five-finger :: Five-finger (n.) A starfish with five rays, esp. Asterias rubens..
Interradial :: Interradial (a.) Between the radii, or rays; -- in zoology, said of certain parts of radiate animals; as, the interradial plates of a starfish..
Ossicle :: Ossicle (n.) One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes..
Paramere :: Paramere (n.) One of the symmetrical halves of any one of the radii, or spheromeres, of a radiate animal, as a starfish..
Pedicellaria :: Pedicellaria (n.) A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel. See Illustration in Appendix..
Brittle Star :: Brittle star () Any species of ophiuran starfishes. See Ophiuroidea.
Stelleridan :: Stellerida (n. pl.) An extensive group of echinoderms, comprising the starfishes and ophiurans..
Ophiura :: Ophiura (n.) A genus of ophiurioid starfishes.
Papula :: Papula (n.) One of the numerous small hollow processes of the integument between the plates of starfishes.
Adambulacral :: Adambulacral (a.) Next to the ambulacra; as, the adambulacral ossicles of the starfish..
But-thorn :: But-thorn (n.) The common European starfish (Asterias rubens).
Sea Star :: Sea star () A starfish, or brittle star..
Asteridea :: Asteridea (n. pl.) A class of Echinodermata including the true starfishes. The rays vary in number and always have ambulacral grooves below. The body is star-shaped or pentagonal.
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