sessional

Adjective

 * 1) Pertaining to a period, often an academic term or a sitting of a legislative body.
 * CUPE 3902 is a labour union local representing sessional lecturers and teaching assistants (TAs) at the University of Toronto, Canada.

Noun

 * 1) An instructor hired by a college or universities on a temporary basis.
 * The sessionals’ Agreement was ratified on 1 April, 2005.