a set of two similar things considered as a unit
two items of the same kind
two people considered as a unit
a poker hand with 2 cards of the same value
form a pair or pairs; "The two old friends paired off"
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"
occur in pairs
arrange in pairs; "Pair these numbers"
engage in sexual intercourse; "Birds mate in the Spring"
