Crossword Genius

Deep fish (4)

Ross

I believe the answer is:

bass

This clue is a double definition.

'deep' is the first definition.
(synonyms)

'fish' is the second definition.
(bass is a kind of fish)

(Other definitions for bass that I've seen before include "Deep-toned" , "A fish, or the lowest pitch in music" , "Fish (which sings?)" , "Scottish rock" , "Fish; male singing voice" .)

I've seen this clue in The Times.
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