Juglans

from WordNet (r) 3.0 (2006)

Juglans
    n 1: type genus of the Juglandaceae [syn: {Juglans}, {genus
         Juglans}]

from The Collaborative International Dictionary of English v.0.48

Juglans \Jug"lans\, n. [L., walnut.] (Bot.)
   A genus of valuable trees, including the true walnut of
   Europe, and the America black walnut, and butternut.
   [1913 Webster]