Lek

lek \ˈlek\ noun: 1. an assembly area where males of certain animal species carry on competitive mating displays and courtship behavior, 2. an aggregation of animals assembled on a lek for courtship

verb: to participate in a lek

Etymology: Swedish, short for lekställe mating ground, from lek mating, sport, play + ställe place

Would humans be better off if we lekked?