The definition of a swap is a trade or exchange.(noun)
An example of a swap is a child trading his pretzels for popcorn at snack time.
To swap is defined as to trade or exchange.(verb)
An example of to swap is give a friend a scarf in exchange for a pair of mittens.
See swap in Webster's New World College Dictionary
Origin: ME swappen, to strike (prob. echoic): from the striking of hands on concluding a bargain
See swap in American Heritage Dictionary 4
verb swapped swapped, swap·ping, swaps verb, intransitive
Origin: Middle English swappen, to strike, strike the hands together in closing a bargain.
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