Tuition, n.
Etymology: [L. tuitio protection, guarding, from tueri, p. p. tuitus, to see, watch, protect: cf. F. tuition. Cf. Tutor.]
1. Superintending care over a young person; the particular watch and care of a tutor or guardian over his pupil or ward; guardianship.
2. Especially, the act, art, or business of teaching; instruction; as, children are sent to school for tuition; his tuition was thorough.
3. The money paid for instruction; the price or payment for instruction.
Shades of meaning
Fernald has no entry of its own for tuition; he lists it under education.
Where he writes about it:
Tuition is the technical term for teaching as the business of an instructor or as in the routine of a school; tuition is narrower than teaching, not, like the latter word, including training. — from education
We speak of the teaching, training, or discipline, but not of the education or tuition of a dog or a horse. — from education
Study is emphatically what one does for himself, and in which instruction and tuition can only point the way, encourage the student to advance, and remove obstacles; vigorous, persevering study is one of the best elements of training. — from education