Added 10 October 2026 tiu noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about tiu at Wordnik → Where our words come from → God of war and sky; counterpart of Norse Tyr. Related Words: othinthunarodinwodentaranisaesirthunorteutatesredbeardwotantauroctonus Back to today's word