Crossword Genius

Sign up for, as a contest (5)

Ross

I believe the answer is:

enter

'sign up for as a contest' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for enter that I've seen before include "Come/go in" , "Pierce" , "Go/come in" , "Inscribe" , "Enroll, sign up" .)

I've seen this clue in The New York Times.
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