IOU's

Variant of IOU

IOU definition

IOU (ī′ō′yo̵̅o̅′)

noun pl. IOU's

an informally written, signed acknowledgment of a specified debt, characteristically bearing the letters IOU

Etymology: for I owe you

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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