See more synonyms for trader on
  1. a person who trades; a merchant or businessperson.
  2. a ship used in trade, especially foreign trade.
  3. a member of a stock exchange trading privately and not on behalf of customers.

Origin of trader

First recorded in 1575–85; trade + -er1
Related formstrad·er·ship, nounnon·trad·er, nounun·der·trad·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for trader


  1. a person who engages in trade; dealer; merchant
  2. a vessel regularly employed in foreign or coastal trade
  3. stock exchange, US a member who operates mainly on his or her own account rather than for customers' accounts
Derived Formstradership, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012