WordNet (r) 3.0 (2006):

Chamaemelum nobilis
    n 1: Eurasian plant with apple-scented foliage and white-rayed
         flowers and feathery leaves used medicinally; in some
         classification systems placed in genus Anthemis [syn:
         chamomile, camomile, Chamaemelum nobilis, Anthemis
         nobilis]