The New International Encyclopædia/Orthopoda

ORTHOP'ODA (Neo-Lat. nom. pl., from Gk. ὄρθός, orthos, straight, correct + ποῦς, pous, foot). An order of dinosaurs, in the system of Gadow, embracing the groups Stegosauria and Ornithopoda of Marsh. See the sections on these groups under Dinosauria.