mating /ˈmeɪtɪŋ/noun 2adjective 1forms 1 noun2 •Pairing of organisms for copulation.The progeny of backcrosses and intercrosses will form some incrosses and some matings of other types. — 1981 •Sexual union; copulation. adjective1 •Fitting into or onto a corresponding part, as a matched plug and socket. formsmatings
