say it: per
pair is a verb and noun meaning "form a pair or pairs". It carries 9 recorded senses.
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”
a set of two similar things considered as a unit
a poker hand with 2 cards of the same value
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for pair come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.