English Online Dictionary. What means pair‎? What does pair mean?
From Middle English paire, from Old French paire, from Latin paria ("equals"), neuter plural of pār.
Two similar or identical things taken together; often followed by of.
Everybody sat down; the curtain shook, rose sufficiently high to display several pair of yellow boots paddling about, and there it remained.
Two people in a relationship, partnership or friendship.
A couple of working animals attached to work together, as by a yoke.
(card games) A poker hand that contains two cards of identical rank, which cannot also count as a better hand.
(rowing) A boat for two sweep rowers.
(Australia, politics) The exclusion of one member of a parliamentary party from a vote, if a member of the other party is absent for important personal reasons.
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.
There were two pairs on the final vote.
(archaic) A number of things resembling one another, or belonging together; a set.
Two crowns in my pocket, two pair of cards.
(kinematics) In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion; named in accordance with the motion it permits, as in turning pair, sliding pair, twisting pair.
In older texts like "A Key to Joyce's Arithmetic" (1808), the plural form for the word pair is pair, but the tendency, these days, is to use the form pairs to mark plurality. That is, a native English speaker, back in the early 19th century, would say 20 pair of shoes, as opposed to today's 20 pairs of shoes. But still, both forms are correct, even though the former is quite archaic.
(transitive) To group into sets of two.
Glossy jet is paired with shining white.
The wedding guests were paired boy/girl and groom's party/bride's party.
(transitive) To bring two (animals, notably dogs) together for mating.
(politics, slang) To engage (oneself) with another of opposite opinions not to vote on a particular question or class of questions.
(intransitive) To suit; to fit, as a counterpart.
My heart was made to fit and pair with thine.
If your computer has a built-in, non-Microsoft transceiver, you can pair the device directly to the computer by using your computer's Bluetooth software configuration program but without using the Microsoft Bluetooth transceiver.
"pair" in Diccionari de la llengua catalana, segona edició, Institut d'Estudis Catalans.
"pair" in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
"pair" in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
"pair" in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
"pair" in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).