Definition of "headgear" in English

noun

1. (uncountable) Anything worn on the head, such as a hat, hood, helmet, etc.

2. The harness that fits on a horse's head.

3. The lifting gear at the head of a mine or deep well.

4. (nautical) The rigging on the foresail.

5. (orthodontics) A type of orthodontic appliance attached to dental braces that aids in correcting severe bite problems.