The definition of a tune is a song, a melody, having correct
musical pitch or being in the correct key.(noun) Tune is defined
as to adjust or adapt a condition, situation, instrument or
voice.(verb) See tune in Webster's New World College Dictionary
Origin: ME, var. of tone, tone See tune in American Heritage
Dictionary 4 Origin: Middle English Origin: , variant of tone,
tone; see tone. Learn more about tune