1. A low dam built across a stream to raise its level or divert its flow
   "The weir helped control the water level for irrigation purposes"
    
2. A fence or wattle built across a stream to catch or retain fish
   "The traditional fishing weir trapped fish as they swam upstream"

Sounds like: wax, w, weir

Derived forms: weirs

Type of: dam, dike, dyke, fence, fencing

Encyclopedia: Weir, Paul