12 down
Suspenseful
part
in
capture
(4-6)
Suspenseful part in capture (4-6)
-
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
Suspenseful is the definition here. Take NAILING meaning capture, then slot BIT (a part) inside it to give NAIL-BITING.