LISLE

(Fabric woven with) a fine cotton thread (5)

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

• Quick crossword No 16,588 — 2023-07-05 23:00:45
  11A: Strong tightly twisted cotton thread (5)
• Quick crossword No 15,273 — 2019-04-19 23:00:07
  20D: (Fabric woven with) a fine cotton thread (5)