1) n. any profit or acquired right or privilege, primarily through a contract. 2) in worker's compensation the term "benefit" is the insurance payment resulting from a fatal accident on the job, while "compensation" is for injury without death. 3) in income taxation, anything that brings economic gain. 4) "fringe benefits" may be part of the compensation for employment other than salary or wages, and may include health or disability insurance. 5) v. to gain something, as "This sale will benefit Ken Murray."