the officer second in command of a military or naval organization.
an officer charged with executive duties, as in a corporation.
Dog Idioms Inspired by Our Best FriendsRead more in this article about some frequently asked questions and fun facts related to our definitions.
Marshal vs. MartialWhile the words are pronounced the same, they do have different meanings. Martial is an adjective that describes things related to war. A marshal is a police or military officer. Martial can only be used as an adjective, but marshal can be used as either a noun or a verb, but not an adjective. “But what about marshall?” you ask? We’ll get to that in …
Origin of executive officer
First recorded in 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for executive officer
the second-in-command of any of certain military unitsAbbreviation: (US) XO
a specialist seaman officer, responsible under the captain for the routine efficient running of the ship in the US, British (formerly), and certain other navies
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