Dictionary definition · pair
noun
- 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
verb
- 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"
- occur in pairs
- arrange in pairs"Pair these numbers"
- engage in sexual intercourse"Birds mate in the spring"
Source: Open English WordNet (CC BY 4.0).