(obsolete) Experience, practical familiarity with something.
A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of something previously untried.
verb
(intransitive) To conduct an experiment.
(transitive, obsolete) To experience; to feel; to perceive; to detect.
(transitive, obsolete) To test or ascertain by experiment; to try out; to make an experiment on.