Dictionary.com
Thesaurus.com

high table

American  

noun

British.
  1. the table in the dining hall of a college, reserved for senior members of the college and distinguished guests.


high table British  

noun

  1. (sometimes capitals) the table, sometimes elevated, in the dining hall of a school, college, etc, at which the principal teachers, fellows, etc, sit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of high table

Middle English word dating back to 1300–50