The Collaborative International Dictionary of English v.0.48:

Aniseed \An"i*seed\, n.
   The seed of the anise; also, a cordial prepared from it. "Oil
   of aniseed." --Brande & C.
   [1913 Webster]

WordNet (r) 3.0 (2006):

aniseed
    n 1: liquorice-flavored seeds, used medicinally and in cooking
         and liquors [syn: anise, aniseed, anise seed]