D defs.my
Entry 3 senses Webster, 1913

Melody

/mĕl'-əd-ē/ · Mel·o·dy · IPA /ˈmɛl.ə.di/
01 n. A sweet or agreeable succession of sounds.
pl. Melodies ((#))
  1. 1.
    A sweet or agreeable succession of sounds.
    “Lulled with sound of sweetest melody.” Shak.
  2. 2.
    A rhythmical succession of single tones, ranging for the most part within a given key, and so related together as to form a musical whole, having the unity of what is technically called a musical thought, at once pleasing to the ear and characteristic in expression.(Mus.)
  3. 3.
    The air or tune of a musical piece.
Syn. See Harmony.