Crossword Genius

A chit for the cases! (7)

Ross

I believe the answer is:

baggage

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

'a chit' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for baggage that I've seen before include "Suitcases, travel gear, trunks etc" , "Suitcases; encumbrances" , "Army equipment" , "Travellers' luggage" , "reclaimed in Carousel" .)

Want a hint initially instead of a full solution? Install my app