- a combining form representing cirrus in compound words: cirrostratus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- indicating cirrus or cirricirrocumulus; cirriped
Word Origin and History for cirro-
word-forming element meaning "involving cirrus clouds," from comb. form of Latin cirrus (see cirrus).
Online Etymology Dictionary, © 2010 Douglas Harper