Colima definitions WordNet (r) 3.0 (2005) n 1: an active volcano in southwestern Mexico [syn: Colima, Nevado de Colima, Volcan de Colima] Merriam Webster's geographical name 1. volcano SW Mexico in ... 967 Britannica Concise City (pop., 1990: 107,000), capital of Colima state, Mexico. Located in W central Mexico, it lies on the Colima River in the Sierra Madre foothills. Founded in 1522, ...