gray

a neutral achromatic color midway between white and black

clothing that is a grey color; "he was dressed in grey"

any organization or party whose uniforms or badges are grey; "the Confederate army was a vast grey"

horse of a light gray or whitish color

the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad

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

English poet best known for his elegy written in a country churchyard (1716-1771)

American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)

United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)

make grey; "The painter decided to grey the sky"

turn grey; "Her hair began to grey"

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"

showing characteristics of age, especially having grey or white hair; "whose beard with age is hoar"-Coleridge; "nodded his hoary head"

used to signify the Confederate forces in the American Civil War (who wore grey uniforms); "a stalwart grey figure"

intermediate in character or position; "a grey area between clearly legal and strictly illegal"