1. To sleep outdoors in a tent: We tented out in Acadia National Park.
2. To be extended outwards by a prop so as to create a cavity underneath. Used of a layer or sheet of material: The wallpaper is tenting out because of a loose nail.
3. To push out some layer or sheet of material so as to create a cavity underneath: A loose spring in the cushion is tenting the fabric out. We used ski poles to tent out the sides of the tarp.