What does the word trade mean?

Usage examples for trade

  1. 5741. I understand you were engaged at one time in the hosiery trade? – Second Shetland Truck System Report by William Guthrie
  2. " We will trade with coast people," said Chief Edem. – White Queen of the Cannibals: The Story of Mary Slessor by A. J. Bueltmann
  3. Would you try to be a good lad, and learn an honest trade? – Jan of the Windmill by Juliana Horatia Ewing