spawner

Noun

1. A female fish, often specifically a salmon, which is physiologically ready to spawn

   Synonyms: fishess henfish hen

2. A program which spawns objects or processes as needed
3. An object in a simulated game world that spawns further objects.
   • […] at this point, there are enemy birds that fly out of the pipe and attack the player's avatar. The pipes themselves are "enemy spawners" […] - 2006, Alice J. Robison, Inventing fun: videogame design as a writing...