1. a fish that produces or deposits eggs, especially during breeding season
Usage: biology; fishing
2. something that creates or produces many things rapidly
Usage: informal

Examples

• The salmon spawner swam upstream to lay her eggs.
• Female trout are prolific spawners during spring months.
• Anglers must release spawners to protect fish populations.
• The factory became a spawner of new jobs in the community.
• This program is a spawner of innovative ideas.
• The spawner returned to the same river where it was born.