works for an expert to learn a trade
"The young carpenter worked as an apprentice under his master, learning the craft of joinery over several years."
A trainee, especially in a skilled trade.
"The master carpenter took on a young apprentice to learn the craft of building fine furniture."
In plain English: An apprentice is someone who learns a skilled trade by working under an experienced professional for a set period of time.
"The young apprentice spent his day learning to repair cars from an experienced mechanic."
Usage: An apprentice is a person learning a craft from an experienced worker rather than someone who performs the work independently yet to gain experience. Use this term specifically when referring to formal training relationships where instruction and supervision are central components of the arrangement.
To put under the care and supervision of a master, for the purpose of instruction in a trade or business.
"The young carpenter was apprenticed to an experienced craftsman so he could learn the secrets of woodworking."
In plain English: To apprentice as a verb means to learn a trade by working under someone who is more experienced than you are.
"The chef will apprentice his new hire to teach him the basics of cooking."
The word apprentice comes from the Old French aprentis, which originally meant a person who was learning by being taken under instruction. It entered English via Middle English, retaining its core sense of someone in training while shedding complex Latin roots and cognate comparisons along the way.