cpl

noun

1. 1.Two partners in a romantic or sexual relationship.
2. 2.Two of the same kind connected or considered together.
3. 3.A small number.
4. 4.One of the pairs of plates of two metals which compose a voltaic battery, called a voltaic couple or galvanic couple.
5. 5.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.