Definition of exchanging:
(n) :
An act of exchanging or trading.
(v) :
(transitive) To trade or barter.
(n) :
A place for conducting trading.
(n) :
(finance) The difference between the values of money in different places.
(n) :
A conversation.
(n) :
(telephony) The portion of a telephone number that represents (or formerly represented) a central office.