Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. vultur (volt-), ŭris (ante-class. collat. form of the nom. sing. vultŭrus (volt-), Enn. ap. Charis. p. 120 P.; id. ap. Prisc. p. 683 ib.; and id. ap. Serv. Verg. A. 6, 597, or Ann. v. 141 Vahl.), m., a vulture.