A costermonger's a term that originally referred to a street seller of fruit (in particular the apple) and vegetables in Britain, but's now used to describe street vendors in general. The term, which derived from the words costard (a type of large ribbed apple) and monger, for example "seller", came to be particularly associated with the "barrow boys" of London who'd sell their produce from a wheelbarrow or wheeled market stall. History Costermongers have existed in London since at least the 16t… (More on Costermonger)