ORTHOPODA
Or*thop"o*da, n. pl. Etym: [NL. See Ortho-, and -poda.] (Zoöl.)
Defn: An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet, pelvis, and other parts.
ORTHOPRAXY
Or"tho*prax`y, n. Etym: [Gr. (Med.)
Defn: The treatment of deformities in the human body by mechanical appliances.
ORTHOPTERA
Or*thop"te*ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust. under Insect.
Note: The anterior wings are usually thickened and protect the posterior wings, which are larger and fold longitudinally like a fan. The Orthoptera undergo no metamorphosis.
ORTHOPTERAN
Or*thop"ter*an, n. (Zoöl.)
Defn: One of the Orthoptera.
ORTHOPTEROUS
Or*thop"ter*ous, a. (Zoöl.)