ABALONE

Large edible marine gastropod (7)

Solution has appeared in 2 crosswords (2 across and 0 down):

• Quick crossword No 16,254 — 2022-06-10 23:00:03
  9A: Edible shellfish, source of mother-of-pearl (7)
• Quick crossword No 15,876 — 2021-03-26 00:00:28
  19A: Large edible marine gastropod (7)