adjective
(not comparable) Of or belonging to the species Homo sapiens or its closest relatives.
(comparable) Having the nature or attributes of a human being.
noun
(strictly, biology) A highly intelligent ape with fine and short body hair; the most abundant species of primate, with members found on every continent (Homo sapiens).
(loosely) Any hominid of the genus Homo.
verb
(rare) To behave as or become, or to cause to behave as or become, a human.