Zizania

from WordNet (r) 3.0 (2006)

Zizania
    n 1: wild rice [syn: {Zizania}, {genus Zizania}]

from The Collaborative International Dictionary of English v.0.48

Zizania \Zi*za"ni*a\, n. [NL., from L. zizanium darnel, cockle,
   Gr. ?.] (Bot.)
   A genus of grasses including Indian rice. See {Indian rice},
   under {Rice}.
   [1913 Webster]