UKULELE

Small four-stringed guitar (7)

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

• Quick crossword No 16,693 — 2023-11-06 00:00:22
  7A: Hawaiian guitar whose name translates as 'jumping flea' (7)
• Quick crossword No 16,547 — 2023-05-18 23:00:11
  9A: Small four-stringed guitar (7)