Touched a blasting cap, podcast said (7)
I believe the answer is:
abutted
'touched' is the definition.
(abutting is a kind of touching)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for abutted that I've seen before include "Was close to" , "Adjoined, bordered" , "Lay next to" .)