From Longman Dictionary of Contemporary Englishpatio doorsˈpatio ˌdoors noun [plural] especially British English DHHglass doors that open from a living room onto a patio
Examples from the Corpus
patio doors• If you are replacing existing patio doors, you have two options.• Don't forget patio doors either.• If you have patio doors, get specialist advice.• So why was she sitting here now, moodily watching the rain pelting down outside the patio doors?• They broke into the house in Scotto Crescent through the patio doors and made off with several ornaments.• The easiest place for a burglar to gain access to a house is through patio doors.• For safety and security, install laminated glass in your patio doors. 