Lewis & Short

ăvĭ-pēs, pĕdis, adj. [avis], bird-footed, swift-footed: avipedis animula leporis, Serenus ap. Mart. Cap. 5, § 518 (also in Ter. Maur. p. 2415 P., and in Mar. Vict. pp. 2546 and 2595 P.).