(grĭz′ē-əs, grĭs′-)
Mottled with gray, especially bluish gray; grizzled.

[Medieval Latin grīseus, of Germanic origin.]
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.


(ˈɡrɪsɪəs; ˈɡrɪz-)
(Colours) streaked or mixed with grey; somewhat grey
[C19: from Medieval Latin griseus, of Germanic origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈgrɪs i əs, ˈgrɪz-)

gray; pearl-gray.
[1810–20; < Medieval Latin grīseus, « Germanic *grīs gray; compare Old Saxon grīs, Old French, French gris gray; see -eous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Griseous city living corrupts my gentle disposition.
Areas identified with light gray color are the areas having the best signal quality with RSSI larger than -60dBm, while areas with gray color indicate that the signal strengths in these areas are between -60 ~ -80dBm, and the areas with the worst signal quality with RSSI less than -80 dBm are indicated by griseous color, and the signal may be imminently cut off.
Mold mix B: 1: 10 w/v: equal parts of Trichophyton schentieini, Cephalothecium roseum, Hormodendrum cladosporioides, Neurospora crassa, Streptomyces griseous, Scopulariopsis brevicaulis, Curvularia spicifera, Penicillium roseurm, Mycogone sp., Nigrospora sphaerica, Paecilomyces variotii, Spondylocladium sp., Stemphylium botryosum, Trichoderma viride, and Trichosporon aquatile.