Cirri

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cirrus \Cir"rus\, n.; pl. {Cirri}. [L., lock, curl, ringlet.]
     [Also written {cirrhus}.]
     [1913 Webster]
     1. (Bot.) A tendril or clasper.
        [1913 Webster]
  


     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}.
            [1913 Webster]
  
     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.
           [1913 Webster]
  
     3. (Zool.) The external male organ of trematodes and some
        other worms, and of certain Mollusca.
        [1913 Webster]
  
     4. (Meteor.) See under {Cloud}.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cirri \Cir"ri\, n. pl.
     See {Cirrus}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  cirri
       See {cirrus}

From WordNet (r) 2.0 [wn]:

  cirrus
       n 1: usually coiled [syn: {cirrhus}]
       2: a wispy white cloud (usually of fine ice crystals) at a high
          altitude (4 to 8 miles) [syn: {cirrus cloud}]
       3: a slender flexible animal appendage as on barnacles or
          crinoids or many insects; often tactile
       [also: {cirri} (pl)]