VAULT

Secure room — spring over (5)

Solution has appeared in 3 crosswords (1 across and 2 down):

• Quick crossword No 16,321 — 2022-08-28 23:00:10
  1D: Arched ceiling (5)
• Quick crossword No 15,503 — 2020-01-15 00:00:48
  2D: Bank's strongroom (5)
• Quick crossword No 15,316 — 2019-06-09 23:00:40
  10A: Secure room — spring over (5)