When it comes to buying groceries and other items from the local store, shopping trolleys are an essential tool. However, this simple device has various synonyms depending on which part of the world you are from. In Britain, it is called a shopping trolley or shopping cart while in the United States of America, it is referred to as a shopping cart or grocery cart. Australians usually refer to it as a "trolley" only. Some other synonymous terms for the shopping trolley include basket, carriage, pushcart, and wagon. Each name is unique, but all serve the same purpose of making shopping more convenient and comfortable.