Etymology : Middle English paire, from Old French, from Latin paria equal things, from neuter plural of par equal
Pronunciation : par, per
Function : noun
Date : 14th century
1. match; whole consisting of two parts; couple, two people who are connected in a relationship (i.e. engaged, married, dating); two people who are working partners in a project; two animal that are joined for mating or working. couple; be part one of a match; mate; form pairs. pair\pair\ , n. [f. paire, ll. paria, l. paria, pl. of par pair, fr. par, adj., equal. cf. apparel, par equality, peer an equal.].
2. a number of things resembling one another, or belonging together; a set; as, a pair or flight of stairs. "a pair of beads." & fl. "four pair of stairs."note: [now mostly or quite disused, except as to stairs.] two crowns in my pocket, two pair of cards. & fl.
3. two things of a kind, similar in form, suited to each other, and intended to be used together; as, a pair of gloves or stockings; a pair of shoes.
4. two of a sort; a span; a yoke; a couple; a brace; as, a pair of horses; a pair of oxen.
5. a married couple; a man and wife. "a happy pair." "the hapless pair.".
6. a single thing, composed of two pieces fitted to each other and used together; as, a pair of scissors; a pair of tongs; a pair of bellows.
7. two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time; as, there were two pairs on the final vote. [parliamentary cant].
8. (kinematics) in a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion.note: pairs are named in accordance with the kind of motion they permit; thus, a journal and its bearing form a turning pair, a cylinder and its piston a sliding pair, a screw and its nut a twisting pair, etc. any pair in which the constraining contact is along lines or at points only (as a cam and roller acting together), is designated a higher pair; any pair having constraining surfaces which fit each other (as a cylindrical pin and eye, a screw and its nut, etc.), is called a lower pair.pair royal (pl. pairs royal) three things of a sort; -- used especially of playing cards in some games, as cribbage; as three kings, three "eight spots" etc. four of a kind are called a double pair royal. "something in his face gave me as much pleasure as a pair royal of naturals in my own hand." "that great pair royal of adamantine sisters [the fates]." [written corruptly parial and prial.].
9. A number of things resembling one another, or belonging together; a set; as, a pair or flight of stairs. "A pair of beads." Chaucer.
10. Beau. & Fl. "Four pair of stairs." Macaulay. [Now mostly or quite disused, except as to stairs.] Two things of a kind, similar in form, suited to each other, and intended to be used together; as, a pair of gloves or stockings; a pair of shoes.
11. Two of a sort; a span; a yoke; a couple; a brace; as, a pair of horses; a pair of oxen.
12. A married couple; a man and wife.
13. A single thing, composed of two pieces fitted to each other and used together; as, a pair of scissors; a pair of tongs; a pair of bellows.
14. Two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time; as, there were two pairs on the final vote.
15. In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion.
16. To be joined in paris; to couple; to mate, as for breeding.
17. To suit; to fit, as a counterpart.
18. Same as To pair off.
19. See phrase below.
20. To unite in couples; to form a pair of; to bring together, as things which belong together, or which complement, or are adapted to one another.
21. To engage with another of opposite opinions not to vote on a particular question or class of questions.
22. To impair.
23. A union of two conductors, as bars or wires of dissimilar metals joined at their extremities, for producing a thermoelectric current. a poker hand with 2 cards of the same value two people considered as a unit a set of two similar things considered as a unit arrange in pairs; "Pair these numbers" occur in pairs form a pair or pairs; "The two old friends paired off".
24. 1. A pair of things are two things of the same size and shape that are used together or are both part of something, for example shoes, earrings, or parts of the body. a pair of socks. trainers that cost up to 90 pounds a pair 72,000 pairs of hands clapped in unison to the song.
25. Some objects that have two main parts of the same size and shape are referred to as a pair, for example a pair of trousers or a pair of scissors. a pair of faded jeans. a pair of binoculars.
26. You can refer to two people as a pair when they are standing or walking together or when they have some kind of relationship with each other. A pair of teenage boys were smoking cigarettes.
27. If one thing is paired with another, it is put with it or considered with it. The trainees will then be paired with experienced managers. + pairing pair·ing the pairing of these two fine musicians. see also:
au pair.
28. If you say that someone is or has a safe pair of hands, you mean that they are reliable and will not make any serious mistakes. He has now held five cabinet posts and remains a safe pair of hands.