Crossword Genius

Trumpet: Hockney made a bigger one? (6)

Ross

I believe the answer is:

splash

I'm a little stuck... Click here to teach me more about this clue!

'trumpet' is the definition.
(both can mean to publish in a newspaper)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for splash that I've seen before include "Effect of body hitting water" , "Make liquid fly around" , "Drop" , "Spend freely or make wet" , "Accidentally get liquid on" .)

I've seen this clue in The Sun.
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