Silently indicated wide road leading to sea (5)

I believe the answer is:

mimed

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'silently indicated wide' is the definition.
I can't tell whether this defines the answer.

'road leading to sea' is the wordplay.
'road' becomes 'mi'.
'leading to' is a charade indicator (letters next to each other) (some letters go before or lead others).
'sea' becomes 'med' (abbreviation of Mediterranean).
'mi'+'med'='MIMED'

Can you help me to learn more?

(Other definitions for mimed that I've seen before include "made a charade" , "Took off <" .)

I've seen this clue in The Times.

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