family Ursidae fa·mi·lyur·sidae uncommon noun 1. bears and extinct related forms SynonymsUrsidaefamily Ursidae Related words Broader terms mammal family Parts Carnivora Part of bearUrsusEuarctosSelenarctosThalarctosMelursus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
