cirrhus

cirrhus
    n 1: usually coiled [syn: {cirrus}, {cirrhus}]
    

Cirrhus \Cir"rhus\, n.
   Same as {Cirrus}.
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Cirrus \Cir"rus\, n.; pl. {Cirri}. [L., lock, curl, ringlet.]
   [Also written {cirrhus}.]
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   1. (Bot.) A tendril or clasper.
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   2. (Zool.)
      (a) A soft tactile appendage of the mantle of many
          Mollusca, and of the parapodia of Annelida. Those near
          the head of annelids are Tentacular cirri; those of
          the last segment are caudal cirri.
      (b) The jointed, leglike organs of Cirripedia. See
          {Annelida}, and {Polych[ae]ta}.
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   Note: In some of the inferior animals the cirri aid in
         locomotion; in others they are used in feeding; in the
         Annelida they are mostly organs of touch. Some cirri
         are branchial in function.
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   3. (Zool.) The external male organ of trematodes and some
      other worms, and of certain Mollusca.
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   4. (Meteor.) See under {Cloud}.
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