Crossword Genius

Swap shillings and farthings? (8)

Ross

I believe the answer is:

exchange

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

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

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for exchange that I've seen before include "Convert" , "Short conversation or argument" , "place of business" , "Brief argument" , "'Swap, trade (8)'" .)

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app