A relief pitcher who specializes in getting the last three outs of the game. See Wikipedia:closer (baseball)
Someone or something that closes.
Someone or something that concludes.
Synonym of close (“the point at the end of a sales pitch when the consumer is asked to buy”)
The last stone in a horizontal course, if smaller than the others; a piece of brick finishing a course.
A relief pitcher (reflecting the figurative analogy of rescuing the situation).
A safety inspector in coal mines.
An assistant on any locomotive, whether steam-powered or not.
Someone (especially one who is male) who is skilled in the work of fighting fire.
A person (originally a man) who keeps the fire going underneath a steam boiler (originally, shoveling coal by hand), particularly on a railroad locomotive or steamship.