Definition of customer

• n. - One who collect customs; a toll gatherer.
• n. - One who regularly or repeatedly makes purchases of a trader; a purchaser; a buyer.
• n. - A person with whom a business house has dealings; as, the customers of a bank.
• n. - A peculiar person; -- in an indefinite sense; as, a queer customer; an ugly customer.
• n. - A lewd woman.