archsupports

noun
UK /ˈɑːtʃsəˌpɔːts/
US /ˈɑːrtʃsəˌpɔːrts/

Archsupports are strong curved shapes that hold up something heavy.

The bridge stands on big archsupports made of stone.


OTHER MEANINGS

2. Curved structures that keep a roof or wall from falling.

The old hall has archsupports along both sides.

3. Parts shaped like a bow that carry weight in a building.

Engineers checked the archsupports before the crowd arrived.

4. Curved frames used to hold up a heavy gate or doorway.

The castle gate rests on thick archsupports.