from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Schooling, apprenticeship; novitiate.
from The Century Dictionary and Cyclopedia
- n. The first service of a soldier; hence, the first rudiments of any art; a novitiate. The word is used by Cowper as a title for a poem on schools.
When he had made his first speech in a court of law, he was said _tirocinium ponere_,  and if it were a success, he might devote himself more particularly henceforward to the art and practice of oratory.
No meal, with Frampton behind his chair, had ever equalled Fitzjocelyn's cookery or attendance; and Louis's reminiscences of the penalties he had suffered from his seniors for burnt toast, awoke like recollections of schoolboy days, hitherto in utter oblivion, and instead of the intended delicate conversation, father and son found themselves laughing over a 'tirocinium or review of schools.'
Moreover, these popular traditional plays and games, handed down from one generation to another of children, "show how instinctive are these forms of muscular activity and imitative expression, which have their roots in a true physiological and psychic necessity, being a species of tirocinium for the experience of childhood" (301. 136