pairpair /per/ noun (plural pairs or pair) 1 
two things► pair
two things► pair two things of the same type that are used together: I need to buy a new pair of shoes for the wedding. Do you have a pair of gloves I could borrow? ➔ A pair of things can also be something made of two similar parts that are joined together: Could you hand me that pair of scissors? | a pair of pants
► a couple two things or people of the same type: Do you have any stamps? I just need a couple. ➔ People sometimes use a couple to mean a small number, but more than two. It can sometimes be difficult to be sure whether someone means two or more than two: There were only a couple of other people there.
➔ see group1 (2), few2 two people► pair two people who do something together or who are often seen together: The students often work in pairs or groups of three. They are an unusual pair: she is very tall, and he is very short.
► couple AWL two people who are married or who have a romantic relationship: It was mostly married couples at the party, but there were a few single people.
► twins two children who were born on the same day to the same mother: George and Gerald are identical twins - they look exactly alike.
► duo two people who do something together: Deven and Juan perform together as a comedy duo.
➔ see group1 (1)