ETYM Cf. as. cypa a measure, Dutch kuip tub, Icel. kupa bowl, German kufe coop tub; all from Latin cupa vat, tub, Late Lat. cupa, copa, cup. Related to Cup, Keeve.
1. A barrel or cask for liquor.
2. An inclosure for keeping small animals; a pen; especially, a grated box for confining poultry.
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.