1) a long and narrow part of an animal used for testing things by touch, e.g. a whisker, an antenna (feeler)
2) the testing of a person's conduct, abilities, qualities etc before he or she is finally accepted for a job etc; a system by which an offender is allowed to go unpunished for a first offence if he or she does not break the law again (probation)
when compared (with)
contrasting; corresponding
a struggle, fight or competition
competition
(an instance of) testing, trying, proving; (an instance of) examination in a law court before a judge (and jury)
experimental
to use, experiment with, a car, machine etc in order to test it
test
