Definition of closers:
(adv) :
Within a shorter distance.
(n) :
Someone or something that closes.
(n) :
Someone or something that concludes.
(n) :
(sales) Synonym of close (“the point at the end of a sales pitch when the consumer is asked to buy”).
(n) :
(baseball) A relief pitcher who specializes in getting the last three outs of the game.
(n) :
(horse racing) A horse that performs best toward the end of a race.