A Baton

1. A staff or truncheon, used for various purposes
2. (music) The stick of a conductor in musical performances.
3. (sports) An object transferred by runners in a relay race.
4. (US) A short stout club used primarily by policemen; a truncheon (UK).Synonyms: billy club, nightstick
5. (heraldry) An abatement in coats of arms to denote illegitimacy. (Also spelled batune, baston).
6. (heraldry) A riband with the ends cut off, resembling a baton, as shown on a coat of arms.
7. A short vertical lightweight post, not set into the ground, used to separate wires in a fence.