Entry 2 senses · 2 variants Webster, 1913 Quadruped · Quad·ru·ped · IPA /ˈkwɑdɹəˌpɛd/ a. n. 01 a. Having four feet. 1. Having four feet. 02 n. An animal having four feet, as most mammals and reptiles; -- often restricted to the mammals. 1. An animal having four feet, as most mammals and reptiles; -- often restricted to the mammals.(Zool.)