REEF

Undersea ridge (4)

Solution has appeared in 4 crosswords (2 across and 2 down):

• Quick crossword No 16,186 — 2022-03-24 00:00:43
  19A: Reduce the area of a sail exposed to the wind (4)
• Quick crossword No 16,013 — 2021-09-01 23:00:08
  7D: Submerged ridge of rock or coral (4)
• Quick crossword No 15,528 — 2020-02-13 00:00:47
  7D: Great Barrier formation? (4)
• Quick crossword No 15,344 — 2019-07-11 23:00:09
  25A: Undersea ridge (4)