Two items of the same kind; a pair. Something that joins or connects two things together; a link. Two people united, as by betrothal or marriage. Two people together. Informal A few; several: a couple of days. Physics A pair of forces of equal magnitude acting in parallel but opposite directions, capable of causing rotation but not translation. To link together; connect: coupled her refusal with an explanation. To join as spouses; marry. To join in sexual union. Electricity To link (two circuits or currents) as by magnetic induction. To form pairs; join. To unite sexually; copulate. To join chemically. Informal Two or few: "Every couple years the urge strikes, to . . . haul off to a new site\u201d ( Garrison Keillor).