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Definition of patio door noun from the Oxford Advanced Learner's Dictionary

patio door

noun
 
/ˌpætiəʊ ˈdɔː(r)/
 
/ˌpætiəʊ ˈdɔːr/
[usually plural] (especially British English)
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  1. a large glass sliding door that leads to a garden or balcony
See patio door in the Oxford Advanced American Dictionary
hyphen
noun
 
 
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Language
B2
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