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lieutenant colonel

noun U.S. Military.
  1. a commissioned officer ranking next below a colonel and next above a major.
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Origin of lieutenant colonel

First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for lieutenant colonel

lieutenant colonel

noun
  1. an officer holding commissioned rank immediately junior to a colonel in certain armies, air forces, and marine corps
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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