1. (noun)ruby a transparent piece of ruby that has been cut and polished and is valued as a precious gem
2. (noun)ruby a transparent deep red variety of corundum; used as a gemstone and in lasers
3. (noun)crimson, ruby, deep red a deep and vivid red color
4. (adj)red, reddish, ruddy, blood-red, carmine, cerise, cherry, cherry-red, crimson, ruby, 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
Definition of 'ruby'
