spawner

noun

That which spawns, as the female of fish, frogs, oysters, etc.; a ripe fish about to spawn: correlated with milter.

noun

In fish-culture, a spawn-gatherer.

noun

A mature female fish.

noun

Whatever produces spawn of any kind.

noun

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

noun

A program which spawns objects or processes as needed

noun

a female fish at spawning time