Etymology: (1175–1225; ME < AF c(o)uple, OF cople, cuple < L cōpula a tie, bond (see copula ))
Definition of 'couple'
Princeton's WordNet
1. (noun)couple, twosome, duo, duet a pair who associate with one another "the engaged couple"; "an inseparable twosome"
2. (noun)couple, mates, match a pair of people who live together "a married couple from Chicago"
3. (noun)couple a small indefinite number "he's coming for a couple of days"
4. (noun)couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad two items of the samekind
5. (verb)couple (physics) something joined by two equal and opposite forces that act along parallel lines
6. (verb)match, mate, couple, pair, twin bring two objects, ideas, or people together "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"
7. (verb)couple, couple on, couple up link together "can we couple these proposals?"
8. (verb)pair, pair off, partner off, couple form a pair or pairs "The two old friends paired off"
9. (verb)copulate, mate, pair, couple engage in sexual intercourse "Birds mate in the Spring"
9. (verb)couple to come together as male and female; to copulate
Definition of 'couple'
The Standard Electrical Dictionary
1. couple Two forces applied to different points of a straight line, when opposed in direction or unequal in amount, tend to cause rotation about a point intermediate between their points of application and lying on the straight line. Such a pair constitute a couple.