HAIRDRYER Meaning of HAIRDRYER in English hair ‧ dry ‧ er BrE AmE , hairdrier /ˈheəˌdraɪə $ ˈherˌdraɪər/ noun [countable]a machine that blows out hot air for drying hair ⇨ blow-dryer Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012