mating

adj

1. (not-comparable)Fitting into or onto a corresponding part, as a matched plug and socket.

noun

1. Pairing of organisms for copulation.

   “The progeny of backcrosses and intercrosses will form some incrosses and some matings of other types.”

2. Sexual union; copulation.

   “Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.”

verb

1. (form-of, gerund, participle, present)present participle and gerund of mate