Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
‡ bŏvīnor, āri, v. dep. [bos], to bellow at, brawl, revile: bovinatur = conviciatur, Paul. ex Fest. p. 30, 12 Müll.: bovinator = conviciator, inconstans. Bovinari = conviciari, damnare, clamare, Vocab. Vet.