#1 ruby n. a transparent piece of ruby that has been cut and polished and is valued as a precious gem. wn
#2 ruby s. [red, reddish, ruddy, blood-red, carmine, cerise, cherry, cherry-red, crimson, ruby-red, scarlet] of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies. wn
#3 ruby n. a transparent deep red variety of corundum; used as a gemstone and in lasers. wn
#4 ruby n. [crimson, deep red] a deep and vivid red color. wn
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