exchange
(act of trading)An act of exchanging or trading.
A place for conducting trading.
A telephone exchange.
(US) The fourth through sixth digits of a ten-digit phone number (the first three before the introduction of area codes).
A conversation.
(chess) The loss of one piece and associated capture of another.
(usually with "the") The loss of a minor piece (typically a bishop or knight) and associated capture of the more advantageous rook.
(obsolete) The thing given or received in return; especially, a publication exchanged for another.
(biochemistry) The transfer of substances or elements like gas, amino-acids, ions etc. sometimes through a surface like a membrane.
(finance) The difference between the values of money in different places.
(NI) (exchange of contracts)
To trade or barter.
(figurative) To mutually direct at each other.
To replace with, as a substitute.
(NI) (exchange contracts)
To recommend and get recommendations.