DCHP-1 Online
caller-off 
n. a person who chants or calls out the changes or movements for square dances.
See also: caller (def. 3)
- 1929 Much of the enjoyment at these gatherings was due to the "caller off." He was responsible for the movement of the various figures, and was often chosen because of special ability to provoke merriment.
- 1929 (1930) And old Dad Croup, silver-haired and silver-voiced, the best caller-off in the country, was floor manager.
- 1964 Above the noises of the dancing could be heard the scraping sounds of the fiddle and the voice of the caller-off. . . .
- 1929 Much of the enjoyment at these gatherings was due to the "caller off." He was responsible for the movement of the various figures, and was often chosen because of special ability to provoke merriment.