THRUM

(Make a) monotonous sound (5)

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

• Quick crossword No 16,614 — 2023-08-04 23:00:25
  8A: Sound a guitar's strings, say (5)
• Quick crossword No 16,101 — 2021-12-14 00:00:32
  20D: Sound the strings of a guitar, say (5)
• Quick crossword No 16,029 — 2021-09-20 23:00:25
  11A: (Make a) monotonous sound (5)