| arc | a curved bony structure supporting or enclosing organs (especially arches of the feet) |
|---|---|
| arc | a curved shape in the vertical plane that spans an opening |
| arc | form an arch |
| arc | (of persons) highest in rank or authority or office |
| arc | expert in skulduggery |
| arc | (used of behavior or attitude) characteristic of those who treat others with condescension |
| arc | form an arch over |
| arc | a support for the arch of the foot |
| arc | (geology) used of the earliest known rocks |
| arc | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| arc | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| arc | considered ancient life forms that evolved separately from bacteria and blue-green algae |