1) Arts occupation 2) One who takes soundings 
A leadman is a Set Decoration department member who is responsible for the props and swing gang and/or the set dressers on a film set. The swing gang does the set dressing and wrapping. Set dressers keep the set in the proper condition by placing and moving elements and props as needed for the story, continuity and to make room for the filming equ...
• (n.) One who leads a dance.
Member of the art department who is in charge of swing gangs and/or set dressers and reports to the set decorator.
Lead'man noun ; plural Leadmen One who leads a dance. [ Obsolete] B. Jonson.