Definition of "Grey" :
noun: horse of a light gray or whitish color
noun: clothing that is a grey color
"He was dressed in grey."
noun: a neutral achromatic color midway between white and black
noun: any organization or party whose uniforms or badges are grey
"The Confederate army was a vast grey."
noun: Englishman who as Prime Minister implemented social reforms including the abolition of slavery throughout the British Empire (1764-1845)
noun: Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554)
noun: United States writer of western adventure novels (1875-1939)
verb: turn grey
"Her hair began to grey."
verb: make grey
"The painter decided to grey the sky."
adjective: of an achromatic color of any lightness intermediate between the extremes of white and black
"The little grey cells."
adjective: intermediate in character or position
"A grey area between clearly legal and strictly illegal."
adjective: used to signify the Confederate forces in the American Civil War (who wore grey uniforms)
"A stalwart grey figure."
adjective: showing characteristics of age, especially having grey or white hair