The act of bringing or coming together; connection; sexual union.
A device or contrivance which serves to couple or connect adjacent parts or objects; as, a belt coupling, which connects the ends of a belt; a car coupling, which connects the cars in a train; a shaft coupling, which connects the ends of shafts.
coupling in French is embrayant, accolant, embrayage
coupling in German is Kupplung, Koppelung, Kopplung
coupling in Swedish is koppling