1. protective covering or equipment worn on the head
Usage: often refers to safety equipment
2. any hat, cap, or other covering worn on the head
Usage: general term for head coverings
3. orthodontic device worn on the head and attached to braces to correct teeth alignment
Usage: dental/medical

Examples

• All construction workers must wear proper headgear on the job site.
• The cyclist’s headgear saved him from serious injury during the crash.
• The traditional headgear of the tribe was decorated with colorful feathers.
• She wore a stylish piece of headgear to the wedding.
• The orthodontist recommended headgear to correct her overbite.
• Military personnel are required to wear regulation headgear.
• The cold weather made warm headgear essential for the hike.