Crossword Genius

Those doing it are out for the count (6)

Ross

I believe the answer is:

census

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

'the count' is the definition.
(census is a kind of count)

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

Can you help me to learn more?

(Other definitions for census that I've seen before include "Official survey" , "People count" , "Periodic counting of the population" , "Official body count?" , "Periodic count by statisticians" .)

I've seen this clue in The Globe and Mail and The Irish News.
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