An enlisted member of the armed forces, such as a corporal, sergeant, or petty officer, appointed to a rank conferring leadership over other enlisted personnel.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "noncommissioned officer" in a sentence
"He was the NCOIC of the ER—the noncommissioned officer in charge."