preseason
/ˈpriːziːzən/Definitions
1. noun
The period of time before the main season of a sports league or competition, during which teams practice and prepare for the upcoming season.
“The team spent the preseason honing their skills and building teamwork.”
2. noun
A preliminary or introductory period of time, especially one that is used for testing or experimentation.
“The company went through a preseason of product testing before its official release.”