a set of two things used together or regarded as a unit

a pair of gloves

three pairs of shoes

an article consisting of two joined or corresponding parts not used separately

a pair of jeans

a pair of scissors

either or both of two members of a legislative assembly on opposite sides who absent themselves from voting by mutual arrangement, leaving the relative position of the parties unaffected

one minister was flatly refused a pair by his Tory opposite number

put together or join to form a pair

she wore a cardigan paired with a matching skirt

give (a member of a legislative assembly) another member as a pair, to allow both to absent themselves from a vote without affecting the result

arrangements are usually made between the party whips for an absent member on one side to be paired with an absentee on the other

wirelessly connect (an electronic device) to another via Bluetooth

you'll now be able to pair your watch directly with a set of Bluetooth headphones