quā^drŭ-pĕdans

antis
I. Going on four feet, galloping (poet. and postAug.): canterius, Plaut. Capt. 4, 2, 34: equo juxta quadrupedante, Plin. 8, 45, 70, § 182: sonitus, Verg. A. 8, 596.—
II. Subst., a galloping horse, a steed, courser (poet.): quadrupedantum Pectora, Verg. A. 11, 614.
Lewis & Short
A Latin Dictionary, 1879
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