COUPLING
- a joining device [n COUPLINGS] / COUPLE, to unite in pairs [v]
- A device for connecting parts of machinery
- A fitting on the end of a railroad vehicle for connecting it to another
- The pairing of two items
- The arrangement of items on a musical recording
- Sexual intercourse
- Each such item
- An interaction between two electrical components by electromagnetic induction, electrostatic charge, or optical link