arching

adjective
UK /ˈɑːtʃɪŋ/
US /ˈɑːrtʃɪŋ/

Curving over like a rainbow or a bridge.

The cat stretched its back into an arching curve.


OTHER MEANINGS

2. Forming the shape of an arch in a building or structure.

The arching doorway led into the old hall.

3. The act of bending into a curved shape.

The arching of the tree branches made a shady tunnel.

4. In biology, curving upward or over in a bow-like way.

The arching stems of the plant reached toward the sun.