Aniseed is a substance made from the seeds of the anise plant. It is used as a flavouringin sweets, drinks, and medicine.
Fennel has a very distinctive aniseed flavour.
aniseed in British English
(ˈænɪˌsiːd)
noun
the liquorice-flavoured aromatic seeds of the anise plant, used medicinally for expelling intestinal gas and in cookery as a flavouring, esp in cakes and confections