Lecture hall
LARGE ROOM USED FOR INSTRUCTION, TYPICALLY AT A COLLEGE OR UNIVERSITY
Lecture halls; Lecture theatre; Lecture theater; Lecture and dissertation room; Auditorium maximum; Audimax
A lecture hall (or lecture theatre) is a large room used for instruction, typically at a college or university. Unlike a traditional classroom with a capacity normally between one and fifty, the capacity of lecture halls is usually measured in the hundreds.