Bore gave way under pressure (7)
I believe the answer is:
yielded
I believe this clue is a double definition.
'bore' is the first definition.
('yield' can be a synonym of 'bear')
'gave way under pressure' is the second definition.
(I've seen this before)
(Other definitions for yielded that I've seen before include "resigned" , "Produced, provided" , "was paid" , "Ceded" , "Produced; surrendered" .)