1sup·ply 
/səˈplaɪ/ noun
plural sup·plies /səˈplaɪ/ noun 1 : the amount of something that is available to be used [count] ▪ the nation's food/oil supply ▪ adequate/sufficient supplies of fresh water ▪ He bought a month's supply of cigarettes. [noncount] ▪ Doctors are in short supply. [=there are not enough doctors] — see also money supply 2 supplies [plural] : things (such as food, equipment, fuel, etc.) that are needed for a particular purpose and that will be used by a particular person or group
▪ They took a month's worth of supplies on the camping trip. ▪ The town is in need of basic medical supplies. ▪ a store that sells art/office/cleaning supplies 3 [noncount] : the process or system by which something is provided to a person, place, etc.
▪ The state is trying to disrupt the supply of illegal drugs. ▪ The storm interrupted the town's electricity supply. 4 [noncount] : the quantities of goods or services that are offered for sale at a particular time or at one price
▪ When demand increases, will supply increase, too? — see also supply and demand
▪ They took a month's worth of supplies on the camping trip. ▪ The town is in need of basic medical supplies. ▪ a store that sells art/office/cleaning supplies
▪ The state is trying to disrupt the supply of illegal drugs. ▪ The storm interrupted the town's electricity supply.
▪ When demand increases, will supply increase, too? — see also supply and demand
