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Definition of chief master sergeant noun from the Oxford Advanced Learner's Dictionary

chief master sergeant

noun
 
/ˌtʃiːf ˌmɑːstə ˈsɑːdʒənt/
 
/ˌtʃiːf ˌmæstər ˈsɑːrdʒənt/
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  1. an officer of middle rank in the US air forceTopics War and conflictc2
See chief master sergeant in the Oxford Advanced American Dictionary
swamp
noun
 
 
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