COLLIER Meaning of COLLIER in English col ‧ li ‧ er /ˈkɒliə $ ˈkɑːliər/ BrE AmE noun [countable] [ Date: 1200-1300 ; Origin: coal ] British English old-fashioned someone who works in a coal mine Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012