The noviciate period of cadets, midshipmen, apprentices, &c.
prŏbătĭon, ii, n., = προβάτιον, a plant , also called arnoglossa, App. Herb. 1. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·noun The act of proving; also, that which proves anything; proof. II. Probation ·noun The trial of...
Webster's Dictionary of the English Language