A book used in schools or colleges for the formal study of a subject, A coursebook, a formal manual of instruction in a specific subject, especially one for use in schools or colleges, adjective_ Of or pertaining to textbooks or their style, especially in being dry and pedagogical; textbooky, textbooklike, Having the typical characteristics of some class of phenomenon, so that it might be included as an example in a textbook, Being a characteristic example of its kind; classic

The act of extending or the condition of being extended, The act of straightening or extending a limb, an educational opportunity provided by colleges and universities to people who are not enrolled as regular students

adjective Made up of four parts, Being one of four parts, Occurring or appearing at three-month intervals, Heraldry Having four sections. Used of a shield, noun A publication issued regularly every three months, An examination given regularly every three months in some colleges

Plural form of college.