n Someone who chases metal; a person who decorates metal by engraving or embossing. (defdate|from 18th c.)
n A tool used for cutting the threads of screws. (defdate|from 19th c.)
n A mild drink consumed immediately after a drink of hard liquor. (defdate|from 19th c.)
n (context|logging|obsolete) Someone that follows logs out of the forest in order to signal a yarder engineer to stop them if they become fouled - also called a frogger.
n (context|logging) one who unhooks chokers from the logs at the landing.
n One of a series of adjacent light bulbs that cycle on and off to give the illusion of movement.