Crossword Genius

But it's work for the dramatist (4)

Ross

I believe the answer is:

play

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

'dramatist' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for play that I've seen before include "Perform music" , "Scope - entertainment" , "See 17" , "Stage drama" , "Make sport" .)

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