Source : Webster's Revised Unabridged Dictionary (1913)

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.