Catch in a drum? (5)
I believe the answer is:
snare
This clue is a double definition.
'catch' is the first definition.
(snaring is a kind of catching)
'a drum?' is the second definition.
(I know that snare is a type of drum)
'in' acts as a link.
(Other definitions for snare that I've seen before include "part of a musician's kit" , "Wire on drum; trap" , "Noosed trap" , "Animal trap" , "Entrap" .)