cou·ple [kuhp-uhl]

noun

1.
two of the same sort considered together; pair.

2.
two persons considered as joined together, as a married or engaged pair, lovers, or dance partners: They make a handsome couple.

3.
any two persons considered together.

4.
Mechanics . a pair of equal, parallel forces acting in opposite directions and tending to produce rotation.

5.
Also called couple-close. Carpentry. a pair of rafters connected by a tie beam or collar beam.