king of beasts kin·gof·beasts uncommon noun 1. large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male Synonymslionking of beastsPanthera leo Related words Broader terms big cat Narrower terms lionesslionet Parts Pantherapride Part of mane WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.