lieutenant commander
noun
Definition of lieutenant commander
: a commissioned officer in the navy or coast guard ranking above a lieutenant and below a commander
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1839
First Known Use of lieutenant commander
1839
LIEUTENANT COMMANDER Defined for English Language Learners
lieutenant commander
noun
Definition of lieutenant commander for English Language Learners
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: an officer in the navy or coast guard who has a rank just below a commander
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Spanish Central: Translation of lieutenant commander Nglish: Translation of lieutenant commander for Spanish speakers
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