Ass

A quadruped of the genus Equus (E. asinus), smaller than the horse, and having a peculiarly harsh bray and long ears. The tame or domestic ass is patient, slow, and sure-footed, and has become the type of obstinacy and stupidity. There are several species of wild asses which are swift-footed.

A dull, heavy, stupid fellow; a dolt.

hardy and sure-footed animal smaller and with longer ears than the horse