/səˈplaɪ ||; səˈplaɪ/noun [C] (plural supplies) a store or amount of sth that is provided or available to be used 供应；供应量: The water supply was contaminated. 水供应受到污染。Food supplies were dropped by helicopter. 食品由直升机空投。In many parts of the country water is in short supply (= there is not much of it). 国内许多地方供水不足。