clothing by anatomical entity
headwear
http://id.loc.gov/authorities/subjects/sh85059483
http://purl.bioontology.org/ontology/SNOMEDCT/228244001
https://en.wikipedia.org/wiki/Category:Headgear
https://en.wikipedia.org/wiki/Headgear
https://www.wikidata.org/wiki/Q14952
GT2110-GT2112
Any element of clothing which is worn on one's head.
headdress
headgear