ursorumDictionary entriesursus, ursi:Masculine · Noun · 2nd declensionFrequency:Lesser= bear;Entry →gen. pl.ExamplesLiber IILucius Annaeus Seneca (Seneca the Younger) from DE IRA"...pocula sinusque innoxio lapsu dracones et intra domum ursorum leonumque ora placida tractantibus adulantisque dominum feras: pudebit..."