1.noun (common) (futsuumeishi)
one portion; one serving; one person
2.noun (common) (futsuumeishi); nouns which may take the genitive case particle 'no'
adult; grown-up; person who has come of age
3.nouns which may take the genitive case particle 'no'; adjectival nouns or quasi-adjectives (keiyodoshi)
fully fledged; established; qualified