launcher
Pronunciation:
/ˈlɔːntʃ.ə//ˈlɑntʃ.ɚ/noun
Definitions
One who or that which launches. A device that throws something or the person who initiates a launch.
Example: The catapult made a good launcher for the small projectile.
An application that launches another or others, often holding icons or menus for frequently used programs.