milliner Syllabification: (mil·li·ner)Pronunciation: /ˈmilənər/Translate milliner | into German | into Spanish Definition of milliner noun a person who makes or sells women’s hats. Origin: late Middle English (originally in the sense 'native of Milan', later 'a vendor of fancy goods from Milan'): from Milan + -er1milliner in other Oxford dictionaries Definition of milliner in the British & World English dictionary