Apadjective
abbreviation of apothecaries' system
Appnoun
An application (program), especially a small one designed for a mobile device.
Appnoun
(military) application use, purpose; not a computer program
Appnoun
(informal) appetizer
Appnoun
(sports) an appearance in a game (e.g., a player with 10 apps in a season played 10 times)
Appnoun
an application, especially as downloaded by a user to a mobile device
Appnoun
an application or application form
Appnoun
an appetizer