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Cirrus
9 dictionary results for: Cirrus
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
cir·rus       [sir-uhs] Pronunciation Key
–noun, plural cir·rus for 1, cir·ri       [sir-ahy] Pronunciation Key for 2, 3.
1.Meteorology.
a.a cloud of a class characterized by thin white filaments or narrow bands and a composition of ice crystals: of high altitude, ab. 20,000–40,000 ft. (6000–12,000 m).
b.a cirriform cloud.
2.Botany. a tendril.
3.Zoology.
a.a filament or slender appendage serving as a foot, tentacle, barbel, etc.
b.the male copulatory organ of flatworms and various other invertebrates.

[Origin: 1700–10; < L: a curl, tuft, plant filament like a tuft of hair]
American Heritage Dictionary - Cite This Source - Share This
cir·rus       (sîr'əs)  Pronunciation Key 
n.   pl. cir·ri (sîr'ī')
  1. A high-altitude cloud composed of narrow bands or patches of thin, generally white, fleecy parts.
  2. Biology
    1. A tendril or similar part.
    2. A slender flexible appendage, such as the fused cilia of certain protozoans.


[Latin, curl of hair.]

Online Etymology Dictionary - Cite This Source - Share This
cirrus 
1803, of clouds, from L. cirrus "a lock, curl, tendril." So called from fancied resemblance of shape.

WordNet - Cite This Source - Share This
cirrus

noun
1. usually coiled 
2. a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles) 
3. a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile 

The American Heritage Science Dictionary - Cite This Source - Share This
cirrus       (sîr'əs)  Pronunciation Key 
Plural cirri (sîr'ī')
A high-altitude cloud composed of feathery white patches or bands of ice crystals. Cirrus clouds generally form between 6,100 and 12,200 m (20,000 and 40,000 ft). See illustration at cloud.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: cir·rus
Pronunciation: 'sir-&s
Function: noun
Inflected Form: plural cir·ri /'si(&)r-"I/
: aslender usually flexible animal appendage: as a : a fused group of cilia functioning like a limb on some protozoans b : the male copulatory organ of some worms

Acronym Finder - Cite This Source - Share This

CIRRUS

CIRRUS: in Acronym Finder

On-line Medical Dictionary - Cite This Source - Share This

cirrus

cirrus: in CancerWEB's On-line Medical Dictionary

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