pair meaning
EN
[peə(r)] [-ɛə(r)] 
US WPair
- Pair may refer to:
- 2 (number), two of something, a pair
- Topological pair, an inclusion of topological spaces
- Tuple
- Product type
- Au pair, a work agreement
- Couple (disambiguation), various senses for two joined things
- Even number, in roulette etc.
- Ordered pair, in Mathematics and set theory
- Twisted pair, a couple of electric wires twisted together
- Pair (parliamentary convention), matching of members unable to attend, so as not to change the voting margin
- Pair, the French equivalent of peer, holder of a French Pairie, French high title roughly equivalent to a member of the British peerage
FR pair 
- NounPLpairs
- Two similar or identical things taken together; often followed by of.
- Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet. Perhaps we assume that our name, address and search preferences will be viewed by some unseen pair of corporate eyes, probably not human, and don't mind that much.
- Two people in a relationship, partnership (especially sexual) or friendship.
- Spouses should make a great pair.
- Used with binary nouns (often in the plural to indicate multiple instances, since such nouns are plurale tantum).
- a pair of scissors; two pairs of spectacles; several pairs of jeans
- A couple of working animals attached to work together, as by a yoke.
- A pair is harder to drive than two mounts with separate riders.
- (card games) A poker hand that contains of two cards of identical rank, which cannot also count as a better hand.
- (cricket) A score of zero runs (a duck) in both innings of a two-innings match.
- (baseball, informal) A double play, two outs recorded in one play.
- They turned a pair to end the fifth.
- (baseball, informal) A doubleheader, two games played on the same day between the same teams.
- The Pirates took a pair from the Phillies.
- (slang) A pair of breasts.
- She's got a gorgeous pair.
- (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.
- (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.
- Two similar or identical things taken together; often followed by of.
- VerbSGpairsPRpairingPT, PPpaired
- (transitive) To group into sets of two.
- (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.
- (computing) to form wireless connection between to devices.
- (obsolete) To impair.
- (transitive) To group into sets of two.
- More Examples
- Used in the Middle of Sentence
- I tried on a pair of drop-crotch pants one day because they were trendy and I thought maybe, just maybe, I could rock them.
- The time reversal invariant topological superconductivity is realized if the interwire pairing corresponding to crossed Andreev reflection dominates over the standard intrawire pairing.
- Haptor subtrapezoidal, with dorsal and ventral anteromedial lobes containing respective squamodiscs and lateral lobes having hook pairs 2–4, 6, 7.
- Used in the Middle of Sentence
Definition of pair in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Noun forms
- Plurals
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Irregular plurals
- Noun plural forms
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Irregular plurals
- Plurals
- Invariant nouns
- Irregular plurals
- Invariant nouns
- Invariant nouns
- Nouns with irregular plurals
- Invariant nouns
- Invariant nouns
- Countable nouns
- Noun forms
- Verbs
- Intransitive verbs
- Transitive verbs
- Intransitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "pair" is a noun, more specifically, a noun form, an invariant noun, an irregular plural, a nouns with irregular plural and a countable noun. It's also a verb, more specifically, an intransitive verb and a transitive verb.