Real Dictionary

green in American English
of the color that is characteristic of growing grass
adjective: of the color of growing foliage, between yellow and blue in the spectrum
noun: a color intermediate in the spectrum between yellow and blue, an effect of light with a wavelength between 500 and 570 nm; found in nature as the color of most grasses and leaves while growing, of some fruits while ripening, and of the sea

Green in American English 1
Henry(pseud. of Henry Vincent Yorke) 1905-73; Eng. novelist

Green in American English 2
river flowing from W Wyo. south into the Colorado River in SE Utah: 730 mi (1,175 km)

green in British English
adjective: of the colour green
noun: any of a group of colours, such as that of fresh grass, that lie between yellow and blue in the visible spectrum in the wavelength range 575–500 nanometres. Green is the complementary colour of magenta and with red and blue forms a set of primary colours
noun: Henry, real name Henry Vincent Yorke. 1905–73, British novelist: author of Living (1929), Loving (1945), and Back (1946)
verb: to make or become green