BALLGOWN Meaning of BALLGOWN in English ball ‧ gown /ˈbɔːlɡaʊn $ ˈbɒːl-/ BrE AmE noun [countable] a long dress made of expensive material, that a woman wears to formal parties SYN evening dress Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012