Cirrus

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

2. (Zo["o]l.) (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. (Zo["o]l.) The external male organ of trematodes and some other worms, and of certain Mollusca. [1913 Webster]

4. (Meteor.) See under {Cloud}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

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