1) Queen-Jack game 
• (n.) A dioptric telescope, fitted with two tubes joining, so as to enable a person to view an object with both eyes at once; a double-barreled field glass or an opera glass.
Bin'o·cle noun [ French binocle ; Latin bini two at a time + oculus eye.] (Opt.) A dioptric telescope, fitted with two tubes joining, so as to enable a person to view an object with both eyes at once; a double-barreled field glass or an opera glass. 
binocle A dioptric telescope, fitted with two tubes joining, so as to enable a person to view an object with both eyes at once; a double-barreled field glass or an opera glass.
binocular (def. 1).