Merriam-Webster Collegiate Dictionary - song

 noun  Etymology: Middle English, from Old English sang; akin to Old English singan to sing  Date: before 12th century  1. the act or art of singing  2. poetical composition  3.  a. a short musical composition of words and music  b. a collection of such compositions  4. a distinctive or characteristic sound or series of sounds (as of a bird, insect, or whale)  5.  a. a melody for a lyric poem or ballad  b. a poem easily set to music  6.  a. a habitual or characteristic manner  b. a violent, abusive, or noisy reaction put up quite a ~  7. a small amount sold for a ~  • ~like adjective