usage: (physics) something joined by two equal and opposite forces that act along parallel lines
1. match, mate, couple, pair, twin, join, bring together
usage: bring two objects, ideas, or people together; "This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project"
2. couple, couple on, couple up, attach
usage: link together; "can we couple these proposals?"