DEMO

Protest march (abbr) (4)

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

• Quick crossword No 16,625 — 2023-08-17 23:00:33
  18D: Visual presentation of how something works (abbr) (4)
• Quick crossword No 16,193 — 2022-03-31 23:00:05
  18D: Protest march (abbr) (4)