ru·by 
/ˈru:bi/ noun
plural ru·bies /ˈru:bi/ noun 1 [count] : a deep red stone that is used in jewelry
▪ diamonds and rubies — see color picture 2 [count, noncount] : a dark red color — see color picture
▪ diamonds and rubies — see color picture
— ruby adjective
▪ her ruby lips ▪ ruby red
▪ her ruby lips ▪ ruby red
