Baton n. : A staff or truncheon, used for various purposes; as, the baton of a field marshal; the baton of a conductor in musical performances.

Baton n. : An ordinary with its ends cut off, borne sinister as a mark of bastardy, and containing one fourth in breadth of the bend sinister; -- called also bastard bar. See Bend sinister.

Example:


Taxonomy
baton, officer, expandable baton, shaft, design, suspect, flashlight, straight baton, strikes, peace officer, law enforcement, weapons, collapsible baton, blackjack, Stun baton, sap, truncheons, club.

Defination from the web:
baton is rubber, except in places such as Siberia, cold enough that the rubber can become brittle and break if struck. ... Between these extremes (in terms of the threat posed to the officer), a baton would prove useful. ...