BASE

Plinth (4)

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

• Quick crossword No 16,267 — 2022-06-26 23:00:00
  19A: Ignoble — HQ (4)
• Quick crossword No 15,277 — 2019-04-24 23:00:39
  18D: Plinth (4)