/ tjuːˈtɔːriəl; NAmE tuː-/ noun , adjective
■ noun
1.
a period of teaching in a university that involves discussion between an individual student or a small group of students and a tutor
2.
a short book or computer program that gives information on a particular subject or explains how sth is done :
An online tutorial is provided.
■ adjective
connected with the work of a tutor :
tutorial staff
( BrE )
a tutorial college (= a private school that prepares students for exams)
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WORD ORIGIN
early 18th cent.: from Latin tutorius (from tueri to watch, guard) + -al .