Definition of Exchange

Noun

• (chess) the capture by both players (usually on consecutive moves) of pieces of equal value
  "the endgame began after the exchange of queens"
  
• (chess) gaining (or losing) a rook in return for a knight or bishop
  "black lost the exchange"
  
• the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
  substitution commutation
• reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
  "he earns his living from the interchange of currency"
  interchange
• (sports) an unbroken sequence of several successive strokes
  "after a short rally Connors won the point"
  rally
• a workplace for buying and selling
  open only to members
  
• a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
  central - telephone exchange
• the act of giving something in return for something received
  "deductible losses on sales or exchanges of property are allowable"
  
• the act of changing one thing for another thing
  "Adam was promised immortality in exchange for his disobedience"
  "there was an interchange of prisoners"
  interchange
• a mutual expression of views (especially an unpleasant one)
  "they had a bitter exchange"
  
• chemical process in which one atom or ion or group changes places with another
  

Verb

• exchange a penalty for a less severe one
  commute convert
• put in the place of another
  switch seemingly equivalent items
  "the con artist replaced the original with a fake Rembrandt"
  "substitute regular milk with fat-free milk"
  "synonyms can be interchanged without a changing the context's meaning"
  substitute replace interchange
• hand over one and receive another, approximately equivalent
  "exchange prisoners"
  "exchange employees between branches of the company"
  
• change over, change around, as to a new order or sequence
  - switch over switch
• exchange or replace with another, usually of the same kind or category
  "Could you convert my dollars into pounds?"
  "He changed his name"
  "convert centimeters into inches"
  "convert holdings into shares"
  change commute convert
• give to, and receive from, one another
  "Would you change places with me?"
  "We have been exchanging letters for a year"
  change interchange

• Scrabble® score of the exchange (21)
• Word Chums® score of the exchange (28)
• Words With Friends® score of the exchange (23)