app
/æp/Definitions
1. noun
A program or application that can be downloaded to a mobile device or computer, typically providing a specific function or set of functions.
“She opened the shopping app to buy some new clothes.”
2. verb
To apply or put something on something else, such as makeup or a coat of paint.
“She apped a layer of varnish to the table.”
3. verb (informal)
To apply or put a tag or label on something, such as in social media or an online profile.
“He apped the hashtag #travel on his Instagram post.”
4. verb (informal)
To apply or put a request or petition to someone, such as in politics or business.
“The company apped the government for a tax break.”