Main Entry:

weir

Pronunciation:

\ˈwer, ˈwir\

Function:

noun

Etymology:

Middle English were, from Old English wer; akin to Old Norse ver fishing place, Old High German werien, werren to defend

Date:

before 12th century

1 : a fence or enclosure set in a waterway for taking fish 2 : a dam in a stream or river to raise the water level or divert its flow