weir

Plural: weirs

Noun

• A low dam or barrier across a river to raise water.
• a low dam built across a stream to raise its level or divert its flow
• a fence or wattle built across a stream to catch or retain fish
• An adjustable dam placed across a river to regulate the flow of water downstream.
• A fence placed across a river to catch fish.
• Seaweed.

Examples

• He strategically placed ’WEIR’ to block his opponent’s access to a premium square.