SLAMMER

Prison (slang) (7)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,075 — 2021-11-13 00:00:16
  9A: Prison (informal) (7)
• Quick crossword No 15,775 — 2020-11-27 00:00:11
  13D: Prison (slang) (7)