IOU

IOU

a written acknowledgment of a debt, especially an informal one consisting only of the letters IOU, the sum owed, and the debtor's signature.
Also, I.O.U.


Origin:
1610–20; representing I owe you

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
IOU
 
n
a written promise or reminder to pay a debt
 
[C17: representing I owe you]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Iou is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
American Heritage
Cultural Dictionary

IOU definition


Abbreviation for “I owe you.” An IOU is a written statement of a borrower's obligation to pay a debt.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
American Heritage
Abbreviations & Acronyms
IOU
a note of debt (from "I owe you")
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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