ETYM Old Eng. wer, AS. wer; akin to German wehr, AS. werian to defend, protect, hinder, German wehren, Goth. warjan; and perhaps to Eng. wary; or cf. Skr. vor to check, hinder. Cf. Garret.
1. A fence or wattle built across a stream to catch or retain fish.
2. A low dam built across a stream to raise its level or divert its flow.
Low wall built across a river to raise the water level. The oldest surviving weir in England is at Chester, across the river Dee, dating from around 1100.
Hidrograđevinski objekat, ustava.
Hidrograđevinski objekat, brana, zaustavljač vode.