1. a person or thing that floods; something that causes or produces flooding
Usage: common in technical and agricultural contexts
2. a device or valve used to control or release water in irrigation or drainage systems
Usage: technical; agriculture and engineering

Examples

• The broken pipe became a flooder that damaged the basement.
• Heavy rainfall is a natural flooder in low-lying areas.
• The farmer adjusted the flooder to distribute water evenly across the field.
• Engineers installed a flooder system to manage excess water during storms.
• The irrigation flooder malfunctioned, causing water to overflow the channels.