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We found 20 dictionaries with English definitions that include the word trial balloon: Click on the first link on a line below to go directly to a page where "trial balloon" is defined. General (18 matching dictionaries) trial balloon: American Heritage Dictionary of the English Language [home, info] trial balloon: Collins English Dictionary [home, info] trial balloon: Vocabulary.com [home, info] trial balloon: Macmillan Dictionary [home, info] trial balloon: Merriam-Webster's Online Dictionary, 11th Edition [home, info] trial balloon: The Wordsmyth English Dictionary-Thesaurus [home, info] trial balloon: Infoplease Dictionary [home, info] trial balloon: Dictionary.com [home, info] trial balloon: UltraLingua English Dictionary [home, info] Trial balloon: Wikipedia, the Free Encyclopedia [home, info] trial balloon: Rhymezone [home, info] trial balloon: Free Dictionary [home, info] trial balloon: Mnemonic Dictionary [home, info] trial balloon: WordNet 1.7 Vocabulary Helper [home, info] trial balloon: LookWAYup Translating Dictionary/Thesaurus [home, info] trial balloon: Dictionary/thesaurus [home, info] Business (1 matching dictionary) trial balloon: Legal dictionary [home, info] Miscellaneous (1 matching dictionary) trial balloon: Idioms [home, info]

Quick definitions from WordNet (trial balloon) ▸ noun:  a balloon sent up to test air currents ▸ noun:  a test of public opinion