1. past tense and past participle of dike; to provide with or protect by a dike (an embankment or barrier built to prevent flooding)
Usage: common in civil engineering and water management contexts

Examples

• The engineers diked the river to prevent flooding in the valley.
• The coastal region was diked to protect farmland from storm surge.
• They diked the wetland area to control water levels.
• The low-lying land had been diked centuries ago by Dutch settlers.
• The municipality diked the stream after the previous year's flood damage.