0 an electronic device that is fastened to someone, especially a person who has committed a crime, usually around their ankle, so that the police or people in authority know where that person is:
He must wear an electronic bracelet that allows authorities to track his whereabouts, and report daily to a pretrial services officer in San Diego.
He has already been punished with house arrest for over a year, wearing an electronic bracelet.
She said hospitals might best combat wandering by placing electronic bracelets on the wrist or ankle of dementia patients.
Stalkers and wife-beaters will be fitted with electronic bracelets to ban them from "Exclusion zones" which can be set up around their victims' homes.