An entertainer or musician that performs before the main event.
Support-act Sentence Examples
Under the provisions of the Family Support Act of 1988, all judges in all states can make child support awards to give the custodial parent the means to provide for the care and maintenance of minor children.
Their first performance as a band was as a support act to The Waterboys.
He was there when they played Shea Stadium as a support act for the Who.