'Tutorial' definitions:

Definition of 'tutorial'

adjective

Of or relating to tutors or tutoring; "tutorial sessions"

noun

A session of intensive tuition given by a tutor to an individual or to a small number of students

From: GCIDE

Tutorial \Tu*to"ri*al\ (t[-u]*t[=o]"r[i^]*al), a. [L. tutorius.] Of or pertaining to a tutor; belonging to, or exercised by, a tutor. [1913 Webster]

From: GCIDE

tutorial \tu*to"ri*al\ (t[-u]*t[=o]r"[-e]*al), n.
1. A class[6] or short series of classes in which one or more instructors provide intensive instruction on some subject to a small group. Such short courses of instruction may be held at an institution of learning, or in any other place where a small group may desire a brief but thorough introduction to a topic. [PJC]
2. Hence: (Computers) A set of instructions on how to use a particular computer program, built into the software package itself, displayed on the computer screen, and organized in a stepwise manner so as to familiarize a new user with all of or the most important features of the program. [PJC]