1. (

• tune ,
• melody ,
• air ,
• strain ,
• melodic_line ,
• line ,
• melodic_phrase

) a succession of notes forming a distinctive sequence; "she was humming an air from Beethoven" ;

2. (

• tune

) the property of producing accurately a note of a given pitch; "he cannot sing in tune"; "the clarinet was out of tune" ;

3. (

• tune

) the adjustment of a radio receiver or other circuit to a required frequency ;

1. (

• tune ,
• tune_up ,

) adjust for (better) functioning; "tune the engine" ;

2. (

• tune ,
• tune_up

) adjust the pitches of (musical instruments); "My piano needs to be tuned" ;