Word Study
cinereous
CIDE DICTIONARY
cinereous, a. [L. cinereus, fr. cinis ashes.].
Like ashes; ash-colored; grayish. [1913 Webster]
OXFORD DICTIONARY
cinereous, adj. (esp. of a bird or plumage) ash-grey.
Etymology
L cinereus f. cinis -eris ashes
ROGET THESAURUS
cinereous
Gray
N gray, neutral tint, silver, pepper and salt, chiaroscuro, grisaille, Payne's gray, black, gray, grey, iron-gray, dun, drab, dingy, leaden, livid, somber, sad, pearly, russet, roan, calcareous, limy, favillous, silver, silvery, silvered, ashen, ashy, cinereous, cineritious, grizzly, grizzled, slate-colored, stone-colored, mouse-colored, ash-colored, cool.For further exploring for "cinereous" in Webster Dictionary Online