князь

• noun
• Level B1
• Rank 1,610 of 12,000
• 0.009% of running text

prince, duke

Recording: Wikimedia Commons

• proper noun
• Level B1
• Rank 8,633 of 12,000
• 0.001% of running text

Meanings

1. prince (male ruler or head of a principality)
2. the monarch of a state or a principality: prince, king, duke
3. bridegroom, groom
4. a royal title: prince, duke, etc

male, animate

The dictionary keeps one entry for the spelling князь, so these meanings cover every use above.