MUSTANG

Hardy wild horse of the American western plains (7)

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

• Quick crossword No 16,697 — 2023-11-10 00:00:06
  9A: Feral American horse ... (7)
• Quick crossword No 15,556 — 2020-03-17 00:00:39
  5D: Hardy wild horse of the American western plains (7)