
1) Admonish arsenio
Found on
https://www.crosswordclues.com/clue/lecture-hall

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 from one to four dozen, the capacity of lecture halls is typically measured in the hundreds. Lecture halls almost always have a pitched floor, so that those in the rear are sat higher than t...
Found on
http://en.wikipedia.org/wiki/Lecture_hall
No exact match found.