ˈdiːlə(ɹ) ˈmʌŋ.ɡə(ɹ) ˈmʌŋ.ɡəɹ ˈpɹɪnsɪpəl ˈtɹeɪdə(ɹ) ˈtɹeɪdɚ a firm engaged in trading the person who distributes the playing cards in a card game the major party to a financial transaction at a stock exchange; buys and sells for their own account someone who purchases and maintains an inventory of goods to be sold a seller of illicit goods a dealer in stolen goods