from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A noncommissioned rank in the U.S. Air Force that is above master sergeant and below chief master sergeant.
- n. One who holds this rank.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a senior noncommissioned officer in the Air Force with a rank comparable to master sergeant in the Army
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