A weir is a structure typically made of concrete or masonry, strategically built across an open channel like a river, to alter the flow characteristics of water. A low fence or wall that is built across.: The meaning of weir is a fence or enclosure set in a waterway for taking fish.
A wall built under the water across a river, over which the water flows from one level to…. There is no single definition as to what constitutes a. Definition of weir noun in oxford advanced learner's dictionary.
See ‘meaning & use’ for definitions, usage, and quotation evidence. Weirs are also used to. There are many weir designs, but commonly water flows freely over the top of the weir crest before cascading down to a lower level. Weir meaning, definition, what is weir:
Weir has developed meanings and uses in subjects. See examples of weir used in a sentence. There are eight meanings listed in oed's entry for the noun weir. A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level.
A weir is a device for measuring flow in an open channel flow. Weirs and flumes can be used to measure flow in open channels such as plant effluents or sewage flows.