spit hoodnoun [ C ]
uk/ˈspɪt ˌhʊd//ˈspɪt ˌhʊd/also spit maska covering that is put over someone's head by police officers, etc. in order to stop the person spitting at them (= forcing liquid out of the mouth) or biting them:
This spit hood prevents the transfer of diseases from spitting and biting.
Police have admitted handcuffing a disabled 11-year-old child and placing a mesh spit hood over her head.