trying something to find out about it;
"a sample for ten days free trial"
"a trial of progesterone failed to relieve the pain"
- They also watched its trial run.
- The result of the test run satisfied us.
- The new method is still on trial now.
- He called each flip of the coin a new trial.
- The trial operation results show that the measures are feasible.
- At present, the system has entered the test run phase.