The verb learn has 6 senses (first 5 from tagged texts)
1. (91) learn, larn, acquire -- (gain knowledge or skills; "She learned dancing from her sister"; "I learned Sanskrit"; "Children acquire language at an amazing rate")
2. (53) learn, hear, get word, get wind, pick up, find out, get a line, discover, see -- (get to know or become aware of, usually accidentally; "I learned that she has two grown-up children"; "I see that you have been promoted")
3. (6) memorize, memorise, con, learn -- (commit to memory; learn by heart; "Have you memorized your lines for the play yet?")
4. (4) learn, study, read, take -- (be a student of a certain subject; "She is reading for the bar exam")
5. (2) teach, learn, instruct -- (impart skills or knowledge to; "I taught them French"; "He instructed me in building a boat")
6. determine, check, find out, see, ascertain, watch, learn -- (find out, learn, or determine with certainty, usually by making an inquiry or other effort; "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time")