a. [ Lamina + L. planta sole of the foot. ] (Zool.) Having the tarsus covered behind with a horny sheath continuous on both sides, as in most singing birds, except the larks. [ 1913 Webster ]
a. [ L. plantaris, fr. planta the sole of the foot. ] (Anat.) Of or pertaining to the sole of the foot;
a. [ L. scutellus a shield + planta foot. ] (Zool.) Having broad scutella on the front, and small scales on the posterior side, of the tarsus; -- said of certain birds. [ 1913 Webster ]