1. a melody or musical composition
2. the correct musical pitch or harmony

1. to adjust a musical instrument to the correct pitch
2. to adjust or modify something for better performance
3. to set a radio or television to receive a particular station or channel

Examples

• She hummed a cheerful tune while cooking dinner.
• The piano was out of tune and needed adjustment.
• The guitarist tuned his instrument before the concert.
• The mechanic tuned the engine for better fuel efficiency.
• Please tune the radio to the news station.
• That’s a catchy tune from the new album.
• The orchestra played in perfect tune.
• He tuned his car before the long road trip.