gray gray /ˈgreɪ/

adjective

1. () [American] Of an achromatic color of any lightness intermediate between the extremes of white and black  ( grayish [American] , greyish [Canadian, British] , grey [Canadian, British] , gray [American] )
   of an achromatic color of any lightness intermediate between the extremes of white and black
    The little grey cells
   the little grey cells
    Gray flannel suit
   gray flannel suit
    A man with greyish hair
   a man with greyish hair
   
   
2. () [American] Showing characteristics of age, especially having grey or white hair  ( gray-headed [American] , grey [Canadian, British] , grey-haired [Canadian, British] , gray-haired [American] , grey-headed [Canadian, British] , grizzly , hoar , hoary , white-haired , gray [American] )
   showing characteristics of age, especially having grey or white hair
    Whose beard with age is hoar
   whose beard with age is hoar
    Nodded his hoary head
   nodded his hoary head
   
3. () [American] Used to signify the Confederate forces in the American Civil War (who wore grey uniforms)  ( grey [Canadian, British] , gray [American] )
   used to signify the Confederate forces in the American Civil War (who wore grey uniforms)
    A stalwart grey figure
   a stalwart grey figure
   
4. [American] Intermediate in character or position  ( gray [American] , grey [Canadian, British] )
   intermediate in character or position
    A grey area between clearly legal and strictly illegal
   a grey area between clearly legal and strictly illegal
   

noun

1. () [American] A neutral achromatic color midway between white and black  ( grayness [American] , grey , greyness [Canadian, British] , gray [American] )
   a neutral achromatic color midway between white and black
    The artist mixed black and white paint to create a beautiful shade of grey for the background
   The artist mixed black and white paint to create a beautiful shade of grey for the background
   
   
2. () Clothing that is a grey color  ( grey , gray )
   clothing that is a grey color
    He was dressed in grey
   he was dressed in grey
   
3. () [American] Horse of a light gray or whitish color  ( grey , gray [American] )
   horse of a light gray or whitish color
    The gray horse, with its almost silver mane, was a stunning sight in the early morning light.
   The gray horse, with its almost silver mane, was a stunning sight in the early morning light.
   
   
4. () [American] Any organization or party whose uniforms or badges are grey  ( grey , gray [American] )
   any organization or party whose uniforms or badges are grey
    The Confederate army was a vast grey
   the Confederate army was a vast grey
   
5. [American] 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  ( gray [American] , Gy )
   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

1. [American] Turn grey  ( gray [American] , grey [Canadian, British] )
   turn grey
    Her hair began to grey
   Her hair began to grey
   
2. [American] Make grey  ( gray [American] , grey [Canadian, British] )
   make grey
    The painter decided to grey the sky
   The painter decided to grey the sky
   

 Gray

noun

1. United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)  ( Asa Gray , Gray )
   United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)
   
   
2. American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)  ( Gray , Robert Gray )
   American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)
   
   
3. English poet best known for his elegy written in a country churchyard (1716-1771)  ( Gray , Thomas Gray )
   English poet best known for his elegy written in a country churchyard (1716-1771)
   
   
4. English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965)  ( Gray , Louis Harold Gray )
   English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965)