bonassusEtymologyFrom Latin bonāsus, from Ancient Greek βόνᾱσος (bónāsos).nounA bonnacon.“There follows a series of exotic animals from the East, such as panthers, bonassuses, rhinoceroses, unicorns, and rare serpents (11.13).[…]References to panthers may be found in 26, to rhinoceroses in 39, to unicorns in 64, and to bonassuses and serpents in 52 (The Excellent and Pleasant Worke of Iulius Solinus, trans. Arthur Golding [London: Thomas Hacket, 1587]. Accessed August 23, 2010, <[…]>).”The aurochs, or European bison.