mating
1. [ noun ] (biology,sexuality) the act of pairing a male and female for reproductive purposes
Synonyms: union sexual_union pairing conjugation coupling
Examples:

"the casual couplings of adolescents" "the mating of some species occurs only in the spring"

Related terms: sexual_activity inbreeding hybridization assortative_mating servicing disassortative_mating copulate conjugate
Similar spelling:   matting
  Mattingly
  Madding
  Mattinson
  matins
  Matinez