noun
- removable boards placed on top of a dam or spillway to temporarily raise the water level
Usage: engineering; water management
Examples
- The engineers installed flashboards to increase the reservoir’s capacity during the dry season.
- Heavy rains forced officials to remove the flashboards to prevent flooding downstream.
- The old mill dam used wooden flashboards that could be quickly pulled out when needed.
- Modern flashboards are often made of steel or aluminum for durability.
- The spillway’s flashboards were designed to fail safely during extreme flood conditions.
- Workers replaced the damaged flashboards before the spring snowmelt began.