aniseed Syllabification: (an·i·seed)Pronunciation: /ˈanə(s)ˌsēd/Translate aniseed | into German | into Italian | into Spanish Definition of aniseed noun the seed of the anise, used in cooking and herbal medicine. Origin: late Middle English: from anise + seedaniseed in other Oxford dictionaries Definition of aniseed in the British & World English dictionary