Dictionary.com
definitions

court of inquiry

noun
  1. a military board or agency created to investigate and report on certain military matters, as an accusation against an officer.

Origin of court of inquiry

First recorded in 1750–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for court of inquiry

court of inquiry

noun
  1. British a group of people appointed to investigate the causes of a disaster, accident, etc
  2. a military court set up to inquire into a military matter such as a failure of equipment or procedure
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