lager Syllabification: (la·ger)Pronunciation: /ˈlägər/Translate lager | into French | into German | into Italian | into Spanish Definition of lager noun a kind of beer, effervescent and light in color and body. Origin: mid 19th century: from German Lagerbier 'beer brewed for keeping', from Lager 'storehouse'. Compare with laager and lair1lager in other Oxford dictionaries Definition of lager in the British & World English dictionary