couple

(noun) a pair who associate with one another. Synonyms: twosome, duo, duet. Examples: "The engaged couple." "An inseparable twosome."

(noun) a pair of people who live together. Synonyms: mates, match. Example: "A married couple from chicago."

(noun) a small indefinite number. Example: "He's coming for a couple of days."

(noun) two items of the same kind. Synonyms: pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad.

(noun) (physics) something joined by two equal and opposite forces that act along parallel lines.

(verb) bring two objects, ideas, or people together. Synonyms: match, mate, pair, twin. Examples: "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."

(verb) link together. Synonyms: couple on, couple up. Example: "Can we couple these proposals?."

(verb) form a pair or pairs. Synonyms: pair, pair off, partner off. Example: "The two old friends paired off."

(verb) engage in sexual intercourse. Synonyms: copulate, mate, pair. Example: "Birds mate in the spring."