1. Payments that are paid to an educational establishments by students for the right to study there: Karl's parents are paying his tuition so he can attend the university next year.
2. Etymology: from Latin tuitionem, "guard, protection, defense; from tui-,stemof tueri, "to look after, to protect, to watch over".

The meaning of "money paid for teaching or instruction" is first recorded in 1828, in American English, probably a shortening of "tuition money, tuition fees", and derives from the earlier extended meaning of "an act of teaching, instruction of a pupil or pupils".