Definition of "Gray" :

noun: horse of a light gray or whitish color

noun: clothing that is a grey color

noun: a neutral achromatic color midway between white and black

noun: any organization or party whose uniforms or badges are grey

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

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

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

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

noun: 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

verb: turn grey

verb: make grey

adjective: of an achromatic color of any lightness intermediate between the extremes of white and black

"Gray flannel suit."

adjective: intermediate in character or position

adjective: used to signify the Confederate forces in the American Civil War (who wore grey uniforms)

adjective: showing characteristics of age, especially having grey or white hair