arcus
/ˈɑrkəs/
noun
- A curved shape or structure, especially an arch or a bow.
- The ancient Roman aqueduct featured a series of stone arcus.
- In anatomy, the arcus of the foot helps distribute body weight.
- The arcus of the bridge was designed to withstand heavy winds.
- A cloud formation that appears as a long, low, horizontal roll or shelf, often associated with thunderstorms.
- Photographers often chase arcus clouds for their striking, shelf-like appearance.
- Before the storm hit, we saw a dramatic arcus cloud rolling across the sky.
- The arcus stretched from one horizon to the other, signaling heavy rain.
Antonyms