Crossword Genius

Key lingo for French food (8)

Ross

I believe the answer is:

escargot

'french food' is the definition.
(French snail delicacy)

'key lingo' is the wordplay.
'key' becomes 'esc' ('Escape' key on a computer keyboard).
'lingo' becomes 'argot' (synonyms).
'esc'+'argot'='ESCARGOT'

'for' acts as a link.

(Other definitions for escargot that I've seen before include "Hardly fast food" , "French delicacy" , "mollusc, from Paris" , "Edible snail (from Fr.)" , "national delicacy" .)

I've seen this clue in The Independent.
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