The act or procedure for uniting or arranging in pairs or couples.
See To set down, under Pair, v. i.
In deliberative assemblies, a practice wherein two users belonging to opposing parties concur that both will probably be missing for a specified time, or that both shall refrain from voting on a specific concern, in order that a vote is nullified for each side. Also known as pairing off.
the work of pairing a male and female for reproductive purposes