Definition of "Pair" :

noun: a poker hand with 2 cards of the same value

noun: two people considered as a unit

noun: a set of two similar things considered as a unit

noun: two items of the same kind

verb: bring two objects, ideas, or people together

"The student was paired with a partner for collaboration on the project."

verb: engage in sexual intercourse

verb: arrange in pairs

"Pair these numbers."

verb: occur in pairs

verb: form a pair or pairs

"The two old friends paired off."