pair
noun.
a set of two similar things considered as a unit
Synonym: brace
noun.
two items of the same kind
noun.
two people considered as a unit
noun.
a poker hand with 2 cards of the same value
verb.
form a pair or pairs
The two old friends paired off
verb.
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
Synonym: twin, mate, match, couple
verb.
occur in pairs
Synonym: geminate
verb.
arrange in pairs
Pair these numbers
Synonym: geminate
verb.
engage in sexual intercourse
Birds mate in the Spring
Synonym: copulate, couple, mate