pit-boss

Noun

pit boss (plural pit bosses)

1. (dated) A direct overseer of laborers in a mining operation.
   • It is, among other things, sufficiently stated in the declaration that appellant is owner and operator of a coal mine, and has in its employ a pit boss, to whom it has given authority to direct and control the labors of those employed in its mine.1890, "Consolidated Coal Co. v. Wombacher" (Supreme Court of Illinois) in The Northeastern Reporter, vol. 24, p. 628 (Google preview)
2. A supervisor who oversees the dealers and activity at the gaming tables in a casino, and who typically has the authority to expel unruly gamblers from the premises.
   • Las Vegas: The pit boss sees all on the casino floor as a trained trouble spotter amid this high-roller’s paradise.2007 July 22, Selena Roberts, “Stewards of Sport Need a Lesson From the Pit Bosses”, in New York Times, retrieved 10 Jun 2015
3. The supervisor of the maintenance pit crew of a driver.
   • In that same race, the first use of two-way radio-to-pits communication was logged. Al Stevens, who operated a radio dispatch service in Maryland, kept in contact with his pit boss, Cotton Bennett, throughout the race.2009, Gerry Souter, The Earnhardts: A Biography, →ISBN, page 29