in the civil law, is one chosen to look to the persons and estate of children left by their fathers and mothers in their minority. The different kinds of tutory established among the Romans, and the powers and duties of tutors, are described in Inst. Leg. i. tom. xiii. sect. 1. and 2. to which the reader is referred. See also the article GUARDIAN.—For the nature and effects of tutory in the Scotch law, which is founded on that of the Romans, see SCOTS LAW, Part III. Sect. 7.

TUTOR is also used in the English universities for a member of some college or hall, who takes on him the instruction of young students in the arts and faculties.

TUFFY, an impure ore of zinc, employed as an unguent and absorbent. See MATERIA MEDICA Index.

TWEED, a river of Scotland, which rises on the confines of Clydeladale, and running eastward through Tweedale, and dividing the shire of Merle from Teviotdale and Northumberland, falls into the German sea at Berwick. It abounds with salmon. See BERWICK.