As a Noun: 1. An adult male human being. English = man (singular), men (plural). 2. An animal, like a man, that belongs to the sex that cannot have babies or lay eggs. English = male. As a Verb or Adjective: 1. To belong to the sex that cannot have babies or lay eggs. English = (be) male. 2. To relate to or be typical of men, rather than women. English = masculine.