ˌkɒnd͡ʒəˈɡeɪʃən ˌkɑnd͡ʒəˈɡeɪʃən ˈkʌplɪŋ ˈmeɪtɪŋ ˈjuːn.jən the act of grouping things or people in pairs the act of pairing a male and female for reproductive purposes the casual couplings of adolescents the mating of some species occurs only in the spring