DACHA Meaning of DACHA in English dach ‧ a /ˈdætʃə $ ˈdɑː-/ BrE AmE noun [countable] [ Date: 1800-1900 ; Language: Russian ; Origin: 'gift (of land), country house' ] a large country house in Russia Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012