The Collaborative International Dictionary of English v.0.48:

benni \benni\ n.
   an East Indian annual erect herb (Sesamum indicum); the
   source of sesame seed or benniseed and sesame oil. Same
   as benne

   Syn: sesame, benne, benny.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

sesame seed
    n 1: small oval seeds of the sesame plant [syn: sesame seed,
         benniseed]