GECKO Meaning of GECKO in English geck ‧ o /ˈɡekəʊ $ -koʊ/ BrE AmE noun ( plural geckos or geckoes ) [countable] [ Date: 1700-1800 ; Language: Malay ; Origin: ge'kok ] a type of small ↑ lizard Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012