One employed in the supervision and instruction of a youth in a private household. Also, one engaged to travel abroad with one or more pupils, a trave…

One entrusted with the charge of another; a guardian, tutor: esp. at school or college. (In medieval Latin creditor: cf. Du Cange.)

A man placed in charge of a young man's education; a tutor, esp. of a young nobleman or prince. Cf. governess, n. 2c. historical in later use.

A private tutor. In later use often with modifying word, as private schoolmaster, etc. Now historical.

(under-, prefix1 affix 3a(a).)

One who tutors; an instructor, tutor.

University colloquial. A private tutor who prepares a candidate for an examination.