Definition of pair-bond:
(n) :
Two similar or identical things taken together; often followed by of.
(n) :
Two people in a relationship, partnership or friendship.
(n) :
One of the constituent items that make up a pair.
(v) :
(transitive) To group into one or more sets of two.
(v) :
(computing) to link two electronic devices wirelessly together, especially through a protocol such as Bluetooth.
(v) :
(transitive) To bring two (animals, notably dogs) together for mating.