pair
used for items of clothing, e.g. a clean pair of socks
two items that are designed to be used or seen together
two items that are exactly the same
a newly married couple
two people who are surprisingly together or friends
a pair of birds building or inhabiting a nest
a male and female animal kept for reproduction
a male and female animal that are mating or will mate
animals that have only one mate at a time
referring to one of two matching items
working or arranged in groups of two
as one of two items
to be suitable partners or companions
to find two people who are suitable for each other
used for two things that are used together, such as shoes, or a single item with two parts, such as scissors
when a pair of animals comes together to reproduce
when a pair of animals reproduces