one who is bound by indentures or by legal agreement to serve a mechanic, or other person, for a certain time, with a view to learn the art, or trade, in which his master is bound to instruct him.-one not well versed in a subject; a tyro.-a barrister, considered a learner of law till of sixteen years' standing, when he might be called to the rank of serjeant.-to bind to, or put under the care of, a master, for the purpose of instruction in a trade or business.