1. (p. pr. & vb. n.) of Couple.

2. (n.) The act of bringing or coming together; connection; sexual union.

3. (n.) 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.

agglomeration agglutination aggregation ankle articulation bond boundary bracketing butt cervix clinch closure clustering combination communication concatenation concourse concurrence confluence congeries conglomeration conjugation conjunction connecting link connecting rod connection convergence copulation dovetail elbow embrace gathering gliding joint hinge hinged joint hip hookup intercommunication intercourse interface interlinking join joinder joining joint jointure junction juncture knee knotting knuckle liaison link linkage linking marriage meeting merger merging miter mortise neck pairing pivot pivot joint rabbet scarf seam shoulder splice stitch suture symbiosis symphysis tie tie rod tie-in tie-up toggle toggle joint unification union weld wrist yoking