Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to cirrus: cirrus cloud
n. pl. cir·ri (sîr′ī′)
1. A high-altitude cloud composed of narrow bands or patches of thin, generally white, fleecy parts.
a. A tendril.
b. A slender flexible appendage, such as a tuft of fused cilia of certain protozoans or one of the feathery appendages of a barnacle.
[Latin, curl of hair.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -ri (-raɪ)
1. (Physical Geography) meteorol a thin wispy fibrous cloud at high altitudes, composed of ice particles
2. (Botany) a plant tendril or similar part
3. (Zoology) zoology
a. a slender tentacle or filament in barnacles and other marine invertebrates
b. a hairlike structure in other animals, such as a filament on the appendage of an insect or a barbel of a fish
[C18: from Latin: curl, tuft, fringe]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. cir•ri (ˈsɪr aɪ) .
1. a high-altitude cloud composed of ice crystals and characterized by thin white filaments or narrow bands.
2. a tendril.
a. a filament or slender appendage serving as a foot, tentacle, barbel, etc.
b. the male copulatory organ of flatworms and various invertebrates.
[1700–10; < Latin: a curl, tuft, plant filament]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A cloud formation made up of feathery white patches, bands, or streamers of ice crystals. Cirrus clouds form at upper levels of the atmosphere.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Light, feather-shaped white clouds that usually form at 4–6 mi (7.6–10km).
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
Switch to new thesaurus
|Noun||1.||cirrus - usually coiled |
tendril - slender stem-like structure by which some twining plants attach themselves to an object for support
|2.||cirrus - a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)|
cloud - a visible mass of water or ice particles suspended at a considerable altitude
mare's tail - a long narrow flowing cirrus cloud
|3.||cirrus - a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
cirrus[ˈsɪrəs] N (cirri (pl)) [ˈsɪraɪ] → cirro m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
n pl <cirri> → Zirruswolke f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
cirrus[ˈsɪrəs] n (cirri (pl)) [ˈsɪraɪ] (Met) → cirro
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995