One who or that whichlaunches. A device that throws something or the person who initiates a launch.
The catapult made a goodlauncher for the small projectile.
They shot down the helicopter with a rocketlauncher.
2015, H. Clark Barrett,The Shape of Thought: How Mental Adaptations Evolve, page110:
This actually occurs in perception of non-colliding Michotte displays: Even though there is a gap between thelauncher stopping and the launchee starting, the launchee's motion appears to have been caused, at a distance, by the approach of thelauncher[…]
(computing) Anapplication that launches another or others, often holding icons or menus for frequently used programs.
