v (usually academic) To review materials already learned in order to make sure one does not forget them, usually in preparation for an examination.
v (academic) To take a course or courses on a subject.
v To acquire knowledge on a subject with the intention of applying it in practice.
v To look at minutely.
v To fix the mind closely upon a subject; to dwell upon anything in thought; to muse; to ponder.
v To endeavor diligently; to be zealous.
n Mental effort to acquire knowledge or learning.
n The act of studying or examining; examination.
n Any particular branch of learning that is studied; any object of attentive consideration.
n A room in a house intended for reading and writing; traditionally the private room of the male head of household.
n An artwork made in order to practise or demonstrate a subject or technique.
n The human face, bearing an expression which the observer finds amusingly typical of a particular emotion or state of mind.
n (music) A piece for special practice; an étude.
n (academic) An academic publication.
n One who commits a theatrical part to memory.
n (chess) An endgame problem composed for artistic merit, where one side is to play for a win or for a draw.
n (obsolete) A state of mental perplexity or worried thought.
n (archaic) Thought, as directed to a specific purpose; one's concern.