A relationship opposite to femdom in which the male is the dominant partner sexually or otherwise. The male is also the top in bdsm play or whereas the female takes the submissive role and is the bottom. The relationship is not always hetrosexual.
The dominant male may also be known as a master, domino straight cougar or dominator.
Maledom relationship are quite common. A good example would be the one between audry and her sadist boyfriend in the musical "little shop of horrors".