noun: Initialism of International Telecommunication Union, originally called the International Telegraph Union. [A specialized agency in the United Nations, for information and communication technologies (ICTs). Abbreviation: ITU.]
noun: Initialism of International Triathlon Union.
noun: Initialism of International Typographical Union.
noun: Initialism of IT University of Copenhagen.
noun: Initialism of Istanbul Technical University.
noun: (Britain) Initialism of intensive treatment unit, called intensive care unit in the United States.