Definition of cardinal noun in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Learn the meaning of cardinal as a noun, adjective, and bird name, with synonyms and examples. Find out the origin, pronunciation, and grammar of cardinal in British and American English. Cardinal Representation (19 Meanings & Symbolism) Northern cardinals (Cardinalis Cardinalis) are beautiful songbirds native to parts of Canada, the eastern United States, Mexico, Belize, and Guatemala. Master the word " CARDINAL " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.