Looking for the meaning or definition of the word couple? Here's what it means.
Noun
Two of the same kind connected or considered together.
(informal) A small number.
One of the pairs of plates of two metals which compose a voltaic battery, called a voltaic couple or galvanic couple.
(physics) Two forces that are equal in magnitude but opposite in direction (and acting along parallel lines), thus creating the turning effect of a torque or moment.