› [C or U] an amount of something that is available for use: Whenever she goes out with her baby, she always takes a large supply of baby food with her. In London, demand for cheap housing far outstrips supply (= what is provided).Giving, providing and supplying supplies B2 [plural] › food or other things necessary for living: The refugees are urgently in need of food and medical supplies.Important and essential thingsInformation and messages B2 an amount of something available: Extensive mining has reduced the supplies of coal in the area.Giving, providing and supplying the gas, electricity, etc. supply › the system used for supplying gas, electricity, etc. to people: Someone has turned off the electricity supply.Giving, providing and supplying in short supply › describes a situation in which there is little of something available: Strawberries are in short supply at the moment.Scarce, inadequate and not enoughLacking things