tu·tor (ttər, ty-)
a. A private instructor.
b. One that gives additional, special, or remedial instruction.
2. A teacher or teaching assistant in some universities and colleges having a rank lower than that of an instructor.
3. A graduate, usually a fellow, responsible for the supervision of an undergraduate at some British universities.
4. Law The guardian of a minor.
v. tu·tored, tu·tor·ing, tu·tors
1. To act as a tutor to; instruct or teach privately.
2. To have the guardianship, tutelage, or care of.
1. To function as a tutor.
2. To be instructed by a tutor; study under a tutor.
[Middle English tutour, from Old French, from Latin tūtor, from tūtus, variant past participle of tuērī, to guard.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.