n.
Function: transitive verb
Date: 1606
1 a : to make a pair of ― often used with off or up < pair ed off the animals> b : to cause to be a member of a pair c : to arrange a voting pair between
2 : to arrange in pairs
intransitive verb
1 : to constitute a member of a pair <a sock that didn't pair >
2 a : to become associated with another ― often used with off or up < pair ed up with an old friend> b : to become grouped or separated into pairs ― often used with off < pair ed off for the next dance>