Crossword Genius

Distress signal to leave ashore? (6)

Ross

I believe the answer is:

maroon

I believe this clue is a double definition.

'distress signal' is the first definition.
(firework used as a warning)

'to leave ashore?' is the second definition.

(Other definitions for maroon that I've seen before include "Could be a warning signal" , "castaway?" , "Strand, isolate" , "distress signal" , "Reddish-brown" .)

I've seen this clue in The Guardian.
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