Crossword Genius

Measure big cheese (5)

Ross

I believe the answer is:

ruler

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

This could be a double definition.

'measure' is the first definition.
(ruler is a kind of measure)

'big cheese' is the second definition.
Both the answer and definition are singular nouns.
Perhaps you can see an association between them that I can't see?

Can you help me to learn more?

(Other definitions for ruler that I've seen before include "Queen, say" , "Queen, perhaps" , "One measures" , "Monarch - drafting tool" , "One governing" .)

I've seen this clue in The Independent.
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