or·nith·o·pod 
(ôr-nĭthə-pŏd′)
(ôr-nĭthə-pŏd′)n.
Any of various herbivorous ornithischian dinosaurs of the group Ornithopoda, often having specialized dentition for grinding plant food, and including the hadrosaurs.
[New Latin Ornīthopoda, suborder name : ORNITHO- (from resemblance of their hind feet to those of modern birds ) + New Latin -poda, -pod.]
or·nitho·pod′ adj.