Tutor \Tu"tor\, v. t. [imp. & p. p. Tutored; p. pr. & vb. n. Tutoring.]

1. To have the guardianship or care of; to teach; to instruct.

Their sons are well tutored by you. --Shak.

2. To play the tutor toward; to treat with authority or severity. --Addison.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Tutor \Tu"tor\, n. [OE. tutour, L. tutor, fr. tueri to watch, defend: cf. F. tuteur. Cf. Tuition.]

One who guards, protects, watches over, or has the care of, some person or thing. Specifically:
   (a) A treasurer; a keeper. ``Tutour of your treasure.'' --Piers Plowman.
   (b) (Civ. Law) One who has the charge of a child or pupil and his estate; a guardian.
   (c) A private or public teacher.
   (d) (Eng. Universities) An officer or member of some hall, who instructs students, and is responsible for their discipline.
   (e) (Am. Colleges) An instructor of a lower rank than a professor.

Source: Webster's Revised Unabridged Dictionary (1913)