чи

• conjunction
• Level A1
• Rank 98 of 12,000
• 0.093% of running text

or

Recording: Wikimedia Commons

• particle
• Level A1
• Rank 383 of 12,000
• 0.033% of running text

interrogative particle: introduces a question

Recording: Wikimedia Commons

Meanings

1. or (conjunction)
2. interrogative particle: introduces a question
3. particle used to form yes-no questions
4. if, whether

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