I. ˌȯ(r)nəˈthäpədə noun plural
Usage: capitalized
Etymology: New Latin, from ornith- + -poda
: a suborder of the order Ornithischia comprising bipedal dinosaurs having distinctly digitigrade hind limbs usually with only three functional toes which are blunt and having also hollow limb bones, a fourth trochanter on the femur, and no dermal armor
II.
Etymology: New Latin, from ornith- + -poda
synonym of ornithischia