оглавник означава в английски

halter [halters]▼(animal's headgear)
noun
[UK: ˈhɔːl.tə(r)] [US: ˈhɒl.tər]

headgear [headgears]▼(harness that fits on a horse's head)
noun
[UK: ˈhed.ɡɪə(r)] [US: ˈhed.ˌɡɪr]

headstall▼(part of the bridle that fits over the horse's head)
noun
[UK: ˈhed.stɔːl] [US: ˈhed.stɔːl]