GLUTEN Meaning of GLUTEN in English glu ‧ ten /ˈɡluːtn/ BrE AmE noun [uncountable] [ Date: 1500-1600 ; Language: Latin ; Origin: 'glue' ] a sticky ↑ protein substance that is found in wheat flour Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012