[seer-ohs, si-rohs]

adjective Botany, Zoology.

having a cirrus or cirri.
resembling cirri.

Also cir·rous [sir-uh s] /ˈsɪr əs/.

Origin of cirrose

From the New Latin word cirrōsus, dating back to 1650–60. See cirro-, -ose1
Related formscir·rose·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cirrous


cirrous (ˈsɪrəs)


biology another word for cirrate
characteristic of cirrus clouds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cirrous

1650s in biology; 1815 in meteorology, from Latin cirrus (see cirrus) + -ous.

Online Etymology Dictionary, © 2010 Douglas Harper