Crossword Genius

Catch report of GIs in Britain during the war, as the saying goes (8)

Ross

I believe the answer is:

overhear

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

'catch' is the definition.
('overhear' can be a synonym of 'catch')

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for overhear that I've seen before include "Accidentally discover" , "Earwig" , "Pick up" , "broadcasts in this area" , "Catch unintentionally" .)

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