WELD

Fused metal joint (4)

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

• Quick crossword No 15,685 — 2020-08-13 23:00:51
  19D: Unite intimately (4)
• Quick crossword No 15,320 — 2019-06-13 23:00:06
  8A: Fused metal joint (4)