In a small house the butler also valets for the master of the house. Male staff report to him. The butler is often engaged by the master of the house but usually reports to the lady of the house or sometimes to the housekeeper. In charge of the kitchen and kitchen staff.
Full Definition of WEIR. 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.
Weirs are used to keep water levels higher on one side and to help slow the flow to a lower level The advantages are they trap debris to make removal easy and prevent blockages at the lower levels They are also used to increase the oxygen content in the water and so help water quality and the oxygen availability for the aquatic creatures ..