Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* quā̆drŭpĕdĭus, a, um, adj. [quattuorpes],fourfooted, quadruped, Jul. Val. Rer. Gest. Alex. M. 3, 36.
quā̆drŭpĕdus (quā̆drĭpĕdus, Front. ad M. Anton. Or. 1), a, um, adj. [quadrupes], going on four feet, galloping (postAug.): quadrupedo gradu repentes, on all fours, Amm. 14, 2, 2: quadripedo cursu, on a gallop, Front. 1, 1.
Absol.: quadrupedo currere, to gallop, Front. Ep. ad M. Caes. 2, 1.