> I'd say the definition is whatever definition
> the team you work in uses.
No, the definition of industry terms is the way they would be understood by other people in the industry. Seeding is understood to be critical data such as area code lists and timezone information.
> For example for me at work, seeding = automatic
> database setup for a test system with example data
You're not wrong. Seeding _is_ automatic database setup, just not only for test systems.