pair

nouns

a set of two similar things considered as a unit
brace, pair
two items of the same kind
brace, couple, couplet, distich, duad, duet, duo, dyad, pair, span, twain, twosome, yoke
two people considered as a unit
pair
is a type of (narrower)
a group of persons together in one place
assemblage, gathering
a poker hand with 2 cards of the same value
pair
is a type of (narrower)
the 5 cards held in a game of poker
poker hand

verbs

form a pair or pairs
"The two old friends paired off"
couple, pair, pair off, partner off
is derived from
pairing
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"
couple, match, mate, pair, twin
occur in pairs
geminate, pair
arrange in pairs
"Pair these numbers"
geminate, pair
engage in sexual intercourse
"Birds mate in the Spring"
copulate, couple, mate, pair
is derived from
pairing