cirro-

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cirro-

(word root) cloud
Examples of words with the root cirro-: cirrostratus
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

cirro-

or cirri-
pref.
Cirrus cloud: cirrostratus.
[From cirrus.]
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.

cirro-

or

cirri-

combining form
indicating cirrus or cirri: cirrocumulus; cirriped.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cir•rus

(ˈsɪr əs)

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.
3.
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.
Mentioned in
References in periodicals archive
Alto- means high, cirro- are wispy, ice crystal clouds, and -nimbus means rain.
Clouds
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