2 definitions
for 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]
From WordNet (r) 2.0 :
Juglans
n : type genus of the Juglandaceae [syn: genus Juglans]