The Collaborative International Dictionary of English v.0.48:
Learner \Learn"er\, n. One who learns; a scholar. [1913 Webster]WordNet (r) 3.0 (2006):
learner n 1: someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs [syn: learner, scholar, assimilator] 2: works for an expert to learn a trade [syn: apprentice, learner, prentice]