Swop is a British term that is defined as to exchange.(verb)
An example of swop is to give a friend a pair of jeans when she gives you her sweater.
The definition of a swop is a British term for an exchange of two items.(noun)
An example of a swop is a trade of a pair of sneakers for a shirt.
See swop in Webster's New World College Dictionary
See swop in American Heritage Dictionary 4
Learn more about swop