raja UK/ˈɹɑː.d͡ʒə/ US/ˈɹɑː.ʒə/ fairly common noun 1. a Hindu prince or king in India Synonymsrajah 2. type genus of the family Rajidae Synonymsgenus Raja Related words Word family rajahRajabrajanyaRaja batisRaja erinaceaRaja laevisRaja radiata Broader terms fish genusaristocrat Parts Rajidae Part of gray skatelittle skatethorny skatebarndoor skate WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.