jingle bell

noun1

1. •
   A small, hollow, spherical metal bell with a narrow slit opening or small holes, containing a loose ball or rod as a clapper, which is attached to a horse's harness as a signal, or (music) used as a musical instrument.

   • Jingle bells, jingle bells, / Jingle all the way. / Oh! what fun it is to ride / In a one-horse open sleigh. — 1857