Crossword Genius

Premier paid Princess Mary back for the monumental tomb (7)

Ross

I believe the answer is:

pyramid

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

'tomb' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for pyramid that I've seen before include "Egyptian edifice" , "Egyptian monument" , "ancient monument" , "Massive Egyptian memorial" , "Object with polygonal base and triangular sides meeting at point" .)

I've seen this clue in the Sydney Morning Herald.
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.