Couple

1. That which joins or links two things together; a bond or tie; a coupler.
2. To come together as male and female; to copulate.
3. One of the pairs of plates of two metals which compose a voltaic battery; -- called a voltaic couple or galvanic couple.
4. A male and female associated together; esp., a man and woman who are married or betrothed.
5. Two of the same kind connected or considered together; a pair; a brace.
6. To link or tie, as one thing to another; to connect or fasten together; to join.
7. To join in wedlock; to marry.
8. Two rotations, movements, etc., which are equal in amount but opposite in direction, and acting along parallel lines or around parallel axes.