n.
1.the activities of educating or instructing or teaching
2.knowledge acquired by learning and instruction
3.the gradual process of acquiring knowledge
4.the profession of teaching (especially at a school or college or university)
5.the result of good upbringing (especially knowledge of correct social behavior)
6.the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students)
Idiom of the Day
trouble one's head about (someone or something)
to worry about someone or something
I am not going to trouble my head about my sister's visit next week.