PCH
English
editProper noun
editPCH
- Initialism of Pacific Coast Highway, segments of California State Route 1
- Initialism of Packet Clearing House, an Internet infrastructure support organization
- Initialism of Patrimoine canadien/Canadian Heritage, the Department of Canadian Heritage
- Initialism of Portcullis House, a parliamentary building in London
Noun
editPCH (uncountable)
- Initialism of paroxysmal cold hemoglobinuria.