From Longman Dictionary of Contemporary Englishpolyglotpol‧y‧glot /ˈpɒlɪɡlɒt $ ˈpɑːlɪɡlɑːt/ adjective formal SLspeaking or using many languages SYN multilingual a polyglot population —polyglot noun [countable]
Examples from the Corpus
polyglot• Its leaders and managers refuse to speak a polyglot language derived from the patois of lawyers, accountants, and pop psychologists.• We grapple with the moment, trying to make sense from polyglot tradition.Origin polyglot (1600-1700) Greek polyglottos, from glottos “tongue, language” 