Definition of "tutor"

tutor¹

/ˈtutɚ/

noun
plural tutors, feminine tutoress
1. One who teaches another (usually called a student, learner, or tutee) in a one-on-one or small-group interaction.
2. (UK) A university officer responsible for students in a particular hall.
3. (UK) A homeroom
4. (obsolete or Quebec law) One who has the charge of a child or pupil and his estate; a guardian.
verb
third-person singular simple present tutors, present participle tutoring, simple past and past participle tutored
1. (transitive) To instruct or teach, especially an individual or small group.
2. (transitive, archaic) To treat with authority or sternness.

tutor²

/ˈtutɚ/

noun
plural tutors
1. (collectible card games) A card that allows one to search one's deck for one or more other cards.
  Quotations
  here are some tutor cards i thought would be interesting.
  1998 April 5, kc...@pcmagic.com, “tutor ideas”, in rec.games.trading-cards.magic.misc‎ (Usenet), retrieved 2019-05-09, message-ID <<35271e02.1847089@news.pcmagic.net>>
verb
third-person singular simple present tutors, present participle tutoring, simple past and past participle tutored
1. (collectible card games) To fetch a card from one's deck.
  Quotations
  Any instant that you move to the board can *only* be tutored for with Cunning Wish.
  2002, David Seiler, “Type I -- What do you think about Wishes and how do you plan to break them?”, in rec.games.trading-cards.magic.strategy‎ (Usenet)