n[U]
a process in which a special relationship develops between two or more people
bonding between
　the bonding between mare and foal
male/female bondinginformal
the activity of doing things with other people of the same sex, so that you feel good about being a man or a woman
　They're in the bar again doing some male bonding!
technical the connection of atoms or of two surfaces that are glued together
　chemical bonding