What does "merry" mean?

Merry: I am never merry when I hear sweet music. Shak.

Additional senses

  1. 2.Cheerful; joyous; not sad; happy. Is any merry Jas. v.
  2. 3.3. Causing laughter, mirth, gladness, or delight; as, merry jest. "Merry wind and weather." Spenser. Merry dancers. See under Dancer. -- Merry men, followers; retainers. [Obs.] His merie men commanded he To make him bothe game and glee. Chaucer. -- To make merry, to be jovial; to indulge in hilarity; to feast with mirth. Judg. ix.
  3. 4.A kind of wild red cherry.

Sources