Crossword Genius

Time with Lewis as actor (3)

Ross

I believe the answer is:

day

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

'time' is the definition.
(I know that day is a type of time)

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

Can you help me to learn more?

(Other definitions for day that I've seen before include "Unit of time" , "24 hours" , "Period of time" , "Twenty-four hours" , "Dawn to dusk" .)

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