n. A collector of customs; a toll-gatherer; a tax-gatherer.n. One who purchases goods or a supply for any current need from another; a purchaser; a buyer; a patron, as of a house of entertainment.n. A prostitute.n. One who has special customs, as of the country or city.n. Any one with whom a person has to deal; especially, one with whom dealing is difficult or disagreeable; hence, a fellow: as, a queer customer; a rough customer.Being a customer or customers; purchasing; buying.Made to the order of or for a customer; specially ordered by a customer and made for him: opposed to ready-made, or made for the market generally: as, customer work.