Trial; examination (4)
I believe the answer is:
test
This clue is a double definition.
'trial' is the first definition.
(I know that trial can be written as test)
'examination' is the second definition.
(I know that examination can be written as test)
(Other definitions for test that I've seen before include "Assess - examination" , "Sample" , "Cricket match; exam" , "Try, examine critically" , "Trial - international game" .)