As written of by Defoe once a week (6)

I believe the answer is:

friday

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

'week' is the definition.
The answer and definition can be both related to time as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for friday that I've seen before include "Muslim Sabbath" , "Its child is loving and giving" , "It's payday for some" , "POETS day" , "Man perhaps" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.