/si near"ee euhs/ , adj.
1. in the state of or reduced to ashes: cinereous bodies.
2. resembling ashes.
3. ashen; ash-colored; grayish: a cinereous bird.
Also, cineritious /sin'euh rish"euhs/ .
[ 1655-65; cinereus, equiv. to ciner- (s. of cinis ) ashes + -eus -EOUS ]