definition of
trial

[1] #1 trial n. [test, run] the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial". wn

[2] #2 trial n. [trial run, test, tryout] trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain". wn

[3] #3 trial n. [test] the act of undergoing testing; "he survived the great test of battle"; "candidates must compete in a trial of skill". wn

[4] #4 trial n. (law) the determination of a person's innocence or guilt by due process of law; "he had a fair trial and the jury found him guilty"; "most of these complaints are settled before they go to trial". wn

[5] #5 trial n. (sports) a preliminary competition to determine qualifications; "the trials for the semifinals began yesterday". wn