The Collaborative International Dictionary of English v.0.48:

Cyclamen \Cyc"la*men\ (s?k"l?-m?n), n. [NL., fr. Gr.
   kykla`minos, kyklami`s.] (Bot.)
   A genus of plants of the Primrose family, having depressed
   rounded corms, and pretty nodding flowers with the petals so
   reflexed as to point upwards, whence it is called rabbits'
   ears. It is also called sow bread, because hogs are said
   to eat the corms.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cyclamen
    n 1: Mediterranean plant widely cultivated as a houseplant for
         its showy dark green leaves splotched with silver and
         nodding white or pink to reddish flowers with reflexed
         petals [syn: cyclamen, Cyclamen purpurascens]