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.

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.

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