Trial (noun)

1. A formal examination of evidence by a judge, typically before a jury, in order to decide guilt in a case of criminal or civil proceedings.
2. An opportunity to test something.
3. A test of someone's abilities or of a new product.

Origin:

Middle english: from old french triel, from latin tria "three" (the original trial being by a jury of 12, reduced to three in the case of certain minor offenses). the noun use dates from the late 16th century, originally denoting a test of a new invention.

Examples:

1. The defendant stood trial for embezzlement.
2. The trial will be held in front of a jury.
3. The new drug is currently undergoing clinical trials.
4. The athlete had a trial with the professional team.
5. The company offered a free trial of the service.