chief warrant officer
noun/ˌtʃiːf ˈwɒrənt ɒfɪsə(r)/
/ˌtʃiːf ˈwɔːrənt ɑːfɪsər/
- an officer of middle rank in the US armed forces
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chief warrant officer
Definition of chief warrant officer noun from the Oxford Advanced Learner's Dictionary