Griseous

Gris'e·ous adjective [ Late Latin griseus . See Gris .] Of a light color, or white, mottled with black or brown; grizzled or grizzly. Maunder.
Found on http://www.encyclo.co.uk/webster/G/59

Griseous

• (a.) Of a light color, or white, mottled with black or brown; grizzled or grizzly.
Found on http://thinkexist.com/dictionary/meaning/griseous/

griseous

pearl-grey or blue-grey; grizzled
Found on http://phrontistery.info/g.html
No exact match found