slidingdoor

noun
UK /ˈslaɪdɪŋ dɔː/
US /ˈslaɪdɪŋ dɔːr/

A sliding door is a door that moves sideways to open and close.

She opened the sliding door to let the dog into the garden.


OTHER MEANINGS

2. A door that slides along a track instead of swinging on hinges.

The closet has a sliding door that saves space.

3. A large glass door leading to a balcony or patio.

We watched the sunset through the sliding door.

4. A door on a vehicle that moves sideways to open.

The van's sliding door made it easy to load the boxes.