Definitions of couple:

• noun:   a pair who associate with one another

  Example: "The engaged couple"

• noun:   a pair of people who live together

  Example: "A married couple from Chicago"

• noun:   something joined by two equal and opposite forces that act along parallel lines
• noun:   two items of the same kind
• noun:   a small indefinite number

  Example: "He's coming for a couple of days"

• verb:   link together

  Example: "Can we couple these proposals?"

• verb:   bring two objects, ideas, or people together

  Example: "This fact is coupled to the other one"

• verb:   form a pair or pairs
• verb:   make love