four-footed, quadruped, quadrupedal

quadrupedal, apelike, humanlike, humanoid, hominid, herbivorous, australopithecine, homo sapiens, herbivore, catlike, tyrannosaurus, doglike, tetrapod, australopithecus, hooved, homo erectus, homo habilis, flightless, meadow vole, dinosaurian, microcephalic, theropod dinosaur, carnivorous, tyrannosaurus rex, piglike, unicellular, pterosaur, bilaterally symmetrical, prehensile, arboreal, hominoid, genus homo, trilobite, anthropomorphic, wormlike, lungless, australopithecus afarensis, evolutionary, crocodilian, wolflike, arthropod, fishlike, genus australopithecus, gracile, robotic, sea scorpion, prokaryote, sapient, robotlike, insectivore, vertebrate, ectothermic, tusked, blobby, slime mold, muscly, mammal, praying mantis, sauropod dinosaur, opposable, daddy longlegs, sentient, hexapod, dimorphic, monophyletic, featherless, hoofed mammal, reptilian, immobile, monotreme, tailless, recumbent, simian, stegodon, snouted, peccary, mole rat, ataxic, placental mammal, crablike, maned wolf, australopithecus africanus, birdlike, exoskeletal, spiny anteater, raptorial, tree shrew, legged, ceratopsian, sedentary, humped, hermaphroditic, fleetest, ridable, baleen whale, spotted hyena, ungainly, mantis shrimp, cloven hoof, parthenogenetic, fiddler crab, flightless bird, quadruped, plantigrade, gregarious, insectivorous, omnivorous, oviparous, subhuman, toed, cursorial, prehuman, anthropoid, dwelling, fossorial

australopithecine, bipedalism, bone-headed dinosaur, carnosaur, ceratosaur, ceratosaurus, compsognathus, deinonychus, dromaeosauridae, duck-billed dinosaur, family dromaeosauridae, genus deinonychus, genus utahraptor, hadrosaur, hadrosaurus, homo sapiens, iguanodon, megalosaur, megalosaurus, ornithopod, ornithopod dinosaur, pachycephalosaur, pachycephalosaurus, psittacosaur, psittacosaurus, tyrannosaur, tyrannosaurus, tyrannosaurus rex

biped, two-footed