| arc | used of idealized country life |
|---|---|
| arc | the dialect of Ancient Greek spoken by Arcadians |
| arc | requiring secret or mysterious knowledge |
| arc | information known only to a special group |
| arc | a measure for arcs and angles |
| arc | (architecture) forming or resembling an arch |
| arc | an amoeba-like protozoan with a chitinous shell resembling an umbrella |
| arc | soil and freshwater protozoa |
| arc | genus of chiefly American plants parasitic on conifers |
| arc | small herb with scalelike leaves on reddish-brown stems and berrylike fruits |
| arc | (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it |
| arc | a passageway under an arch |