Merriam-Webster Collegiate Dictionary - melody

 noun  (plural -dies)  Etymology: Middle English melodie, from Anglo-French, from Late Latin melodia, from Greek meloidia chanting, music, from melos limb, musical phrase, song (probably akin to Breton mell joint) + aeidein to sing — more at ode  Date: 13th century  1. a sweet or agreeable succession or arrangement of sounds ; tunefulness  2. a rhythmic succession of single tones organized as an aesthetic whole  • melodic adjective  • melodically adverb MELON BALLER  noun  Date: 1950 a spoonlike utensil with a sharp edge used especially for cutting ball-shaped pieces from the pulp of a fruit