noun
plural pairs or pair
[count] two things that are the same and are meant to be used together
a thing that has two parts which are joined
two people who are related in some way or who do something together
two animals that mate together
in pairs
in a group of two people or things
verb
pairs; paired; pairing
[+ obj] :to put (two people or things) together
pair off
[phrasal verb]
to join together in a romantic relationship
pair off or pair (someone or something) off or pair off (someone or something) :to join with someone or something else to form a group of two
pair up
[phrasal verb]
pair up or pair (someone or something) up or pair up (someone or something) :to join together or to cause (two people or things) to join together for a purpose, job, etc.