From The Collaborative International Dictionary of English v.0.48 :
Meleagris \Mel`e*a"gris\, prop. n. [L., the Guinea fowl.]
(Zool.)
A genus of American gallinaceous birds, including the common
turkey and the wild turkeys.
[1913 Webster +PJC]
From WordNet (r) 3.0 (2006) :
Meleagris
n 1: type genus of the Meleagrididae: wild and domestic turkeys
[syn: Meleagris, genus Meleagris]