To acquire, or attempt to acquire knowledge or an ability to do something.
To attend a course or other educational activity.
To teach.
To come to know; to become informed of; to find out.
To gain knowledge from a bad experience so as to improve.
To study.
The act of learning something
To understand wrongly, taking one thing or person for another.
An error; a blunder.
A pitch which was intended to be pitched in a hard-to-hit location, but instead ends up in an easy-to-hit place.