right-click

from The Free On-line Dictionary of Computing (8 July 2008)

right-click

   <hardware> To {click} the right-most {mouse} button on a mouse
   with more than one button.  This usually performs a different
   function from the left button, e.g. displaying a
   {context-sensitive menu} ({Microsoft Windows}), extending the
   {selection} ({X}).

   When used as a verb it is often written as two words with a
   space instead of a hyphen.

   (2006-07-09)