patiodoor
nounUK /ˈpætiəʊ dɔː/
US /ˈpætioʊ dɔːr/
A glass door that leads from a house to a patio outside.
She opened the patio door to let the warm breeze into the kitchen.
OTHER MEANINGS
2. A sliding glass door that opens onto an outdoor area.
The patio door slid open smoothly on its track.
3. A hinged door with glass panels connecting a room to an outdoor patio.
He stepped through the patio door onto the sunlit patio.
4. An exterior door used for access to a paved outdoor seating area.
Please close the patio door so the bugs don't get in.