noun.
The service or legal condition of an apprentice; the method or process of gaining knowledge of some trade, art, or profession from the instruction of a master.
noun.
The term during which one is an apprentice.
the GNU version of the Collaborative International Dictionary of English
noun.
The service or condition of an apprentice; the state in which a person is gaining instruction in a trade or art, under legal agreement.
noun.
The time an apprentice is serving (sometimes seven years, as from the age of fourteen to twenty-one).