Crossword Genius

Listened to rock with lots of liquor (6)

Ross

I believe the answer is:

quarts

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

'lots of liquor' is the definition.
The definition and answer can be both quantities as well as being plural nouns.
Maybe you can see a link between them that I don't see?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for quarts that I've seen before include "Quantities" , "Parts of a gallon" .)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app