cadet
US /kəˈdet/
UK /kəˈdet/

1.
a young person training to be an officer in the armed services or police
:
•
The army cadet demonstrated excellent discipline.
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She joined the police cadet program.
2.
a younger son or brother, especially of a noble family
:
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As the cadet of the family, he had fewer inheritance rights.
•
The duke's cadet brother pursued a career in the church.