Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun slammer
2 senses of slammer
Sense 1
slammer -- (a person who closes things violently; "she's a dramatic slammer of doors")
=> closer, finisher -- ((baseball) a relief pitcher who can protect a lead in the last inning or two of the game)
Sense 2
jail, jailhouse, gaol, clink, slammer, poky, pokey -- (a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence))
=> correctional institution -- (a penal institution maintained by the government)