FURROW

Shallow trench made by a plough (6)

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

• Quick crossword No 16,123 — 2022-01-10 00:00:34
  12D: Ploughed groove (6)
• Quick crossword No 15,594 — 2020-04-29 23:00:04
  14A: Shallow trench made by a plough (6)