Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
U.S. Mil. an officer ranking above a major and below a colonel
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Abbr. LTC or Lt Col or LtCol A commissioned rank in the U.S. Army, Air Force, or Marine Corps that is above major and below colonel.
- One who holds this rank.