Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* baubor, āri, v. dep. [cf. Gr. βαιΐζω]; of dogs, to bark gently or moderately (cf. latrare, to bark angrily): et quom desertei baubantur in aedibus. Lucr. 5, 1071; v. the context, and Munro ad loc.