logo Syllabification: (lo·go)Pronunciation: /ˈlōgō/Translate logo | into French | into German | into Italian | into Spanish Definition of logo noun (plural logos) a symbol or other design adopted by an organization to identify its products, uniform, vehicles, etc.:the Olympic logo was emblazoned across their jacketsDerivatives logoed adjective Origin: 1930s: abbreviation of logogram or logotypelogo in other Oxford dictionaries Definition of logo in the British & World English dictionary