headgear
nounUK /ˈhɛdɡɪə(ɹ)/ · US /ˈhɛdɡɪɹ/
Etymology From head + gear.
1
Anything worn on the head, such as a hat, hood, helmet, etc.
- Grey hairs straggled out from under her head-gear, which surrounded a dark face with bushy eyebrows and a long knotted nose.1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 296:
2
The harness that fits on a horse's head.
3
The lifting gear at the head of a mine or deep well.
5
A type of orthodontic appliance attached to dental braces that aids in correcting severe bite problems.