a. [ad. L. bipedālem two feet long, f. bi- two + pedem (pēs) foot. The modern senses are derived from prec. sb.]
† 1. Two feet long. Obs. rare.
c. 1420. Pallad. on Husb., VI. 185. Brik bipedal chaneled bryng on lofte.
2. Having two feet, two-footed, biped.
1607. Topsell, Four-f. Beasts, 425. Three kindes of Mice, of the which some are called Bipedal or two-footed.
1760. Life & Adv. of Cat, 106. His bipedal fellow-creatures.
1830. Lyell, Princ. Geol. (1875), I. I. ix. 153. These bird-reptiles were more or less completely bipedal.
3. Of, pertaining to, or caused by a biped.
1833. Lyell, Elem. Geol., xxi. (1874), 371. The bipedal impressions are for the most part trifid.
1872. Nicholson, Palæont., 467. Man is distinguished by his bipedal progression.