binary in WordNet English dictionary

1. a pre-compiled, pre-linked program that is ready to run under a given operating system; a binary for one operating system will not run on a different operating system
   "the same source code can be compiled to produce different binaries for different operating systems"
   binary  binary program 
   
2. a system of two stars that revolve around each other under their mutual gravitation
   binary star  binary  double star 
   

1. of or pertaining to a number system have 2 as its base
   "a binary digit"
   binary 
   
2. consisting of two (units or components or elements or terms)
   "a binary star is a system in which two stars revolve around each other"; "a binary compound"; "the binary number system has two as its base"
   binary