IOU


Meaning of IOU in English

IOU /ˌaɪ əʊ ˈjuː $ -oʊ-/ BrE AmE noun [countable] informal

[ Date: 1700-1800 ; Origin: Representing I owe you ]

a note that you sign to say that you owe someone some money

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.