Gray

White mixed with black, as the color of pepper and salt, or of ashes, or of hair whitened by age; sometimes, a dark mixed color; as, the soft gray eye of a dove.

Gray-haired; gray-headed; of a gray color; hoary.

Old; mature; as, gray experience. Ames.

A gray color; any mixture of white and black; also, a neutral or whitish tint.

An animal or thing of gray color, as a horse, a badger, or a kind of salmon.

English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965)

of an achromatic color of any lightness intermediate between the extremes of white and black; "the little grey cells"; "gray flannel suit"; "a man with greyish hair"

horse of a light gray or whitish color