Source : Webster's Revised Unabridged Dictionary (1913)

Nenuphar \Nen"u*phar\, n. [F. n['e]nufar: cf. Sp. nen['u]far,
   It. nenuf['a]r; all fr. Per. n[=i]l?far.] (Bot.)
   The great white water lily of Europe; the {Nymph[ae]a alba}.

Source : WordNet®

Nymphaea alba
     n : a water lily with white flowers [syn: {European white lily}]