| arc | of or associated with an archbishop |
|---|---|
| arc | any of various lecanoras that yield the dye archil |
| arc | a purplish dye obtained from orchil lichens |
| arc | a genus of Trochilidae |
| arc | a kind of hummingbird |
| arc | the superior of an abbey of monks |
| arc | Greek mathematician and physicist noted for his work in hydrostatics and mechanics and geometry (287-212 BC) |
| arc | (hydrostatics) the apparent loss in weight of a body immersed in a fluid is equal to the weight of the displaced fluid |
| arc | a Russian unit of length (71 cm) |
| arc | (architecture) forming or resembling an arch |
| arc | the olfactory cortex of the cerebrum |
| arc | relating to or part of an archipelago |