App Definition
ăp
apps
noun
A computer application.
American Heritage
Application, specif., one designed to be downloaded to a computer, smartphone, etc. and having specific Web interface functions.
Webster's New World
The definition of an app is short for application and is software for use on a smart phone or computer.
An example of an app is the Yelp app for the iPhone.
YourDictionary
(computing) An application (program), especially a small one designed for a mobile device.
Wiktionary
(informal) Appetizer.
Wiktionary
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abbreviation
Appendix.
Webster's New World
Applied.
Webster's New World
Appointed.
Webster's New World
Apprentice.
Webster's New World
Approved.
Webster's New World
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Origin of App
Short for application
From American Heritage Dictionary of the English Language, 5th Edition
Shortening.
From Wiktionary
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