Pilots, e.g. (5)
I believe the answer is:
tests
(Other definitions for tests that I've seen before include "Trials, exams" , "Critically examines" , "Examinations, trials" , "Trials -- tribulations" , "Trials to see if something works" .)
I believe the answer is:
tests
(Other definitions for tests that I've seen before include "Trials, exams" , "Critically examines" , "Examinations, trials" , "Trials -- tribulations" , "Trials to see if something works" .)