minitower Syllabification: (min·i·tow·er)Pronunciation: /ˈminēˌtou-ər/Definition of minitower noun a small vertical case for a computer, or a computer mounted in such a case:the desk has a compartment for a minitower [as modifier]:the minitower case is sturdyminitower in other Oxford dictionaries Definition of minitower in the British & World English dictionary