barter vi: to trade by exchanging one commodity or service for another
: to trade or exchange by or as if by bartering compare sell
n : the art or practice of carrying on trade or exchange by or as if by bartering
: exchange of one commodity or service for another compare sale
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.