scholar

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A learned person.
2. n. A specialist in a given branch of knowledge: a classical scholar.
3. n. One who attends school or studies with a teacher; a student.
4. n. A student who holds or has held a particular scholarship.

Century Dictionary and Cyclopedia

1. n. One who receives instruction in a school; one who learns from a teacher; one who is under tuition; a pupil; a student; a disciple.
2. n. In English universities, formerly, any student; now, an undergraduate who belongs to the foundation of a college, and receives a portion of its revenues to furnish him with the means of prosecuting his studies during the academic curriculum; the holder of a scholarship.
3. n. One who learns anything: as, an apt scholar in the school of deceit.
4. n. A learned man; one having great knowledge of literature or philology; an erudite person; specifically, a man or woman of letters.

Wiktionary

1. n. A student; one who studies at school or college.
2. n. A specialist in a particular branch of knowledge.
3. n. A learned person.
4. n. One who educates themself for their whole life.

GNU Webster's 1913

1. n. One who attends a school; one who learns of a teacher; one under the tuition of a preceptor; a pupil; a disciple; a learner; a student.
2. n. One engaged in the pursuits of learning; a learned person; one versed in any branch, or in many branches, of knowledge; a person of high literary or scientific attainments; a savant.
3. n. A man of books.
4. n. In English universities, an undergraduate who belongs to the foundation of a college, and receives support in part from its revenues.

WordNet 3.0

1. n. a student who holds a scholarship
2. n. someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
3. n. a learned person (especially in the humanities); someone who by long study has gained mastery in one or more disciplines