tōkai
1. (verb) to copulate, have sexual intercourse.
Me tōkai rawa te tangata e puta ai he uri ki te ao, engari arā ētahi momo ngārara ka whai uri me te kore tonu e tōkai (PK 2008:959). / Man must copulate in order to bring offspring into the world, but there are some insects that produce offspring without copulating.