arch

1. n. Any part of a curved line. Source: opted

2. n. Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed. Source: opted

3. n. A flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve. Source: opted

4. n. Any place covered by an arch; an archway; as, to pass into the arch of a bridge. Source: opted

5. n. Any curvature in the form of an arch; as, the arch of the aorta. Source: opted

6. v. t. To cover with an arch or arches. Source: opted

7. v. t. To form or bend into the shape of an arch. Source: opted

8. v. i. To form into an arch; to curve. Source: opted

9. a. Chief; eminent; greatest; principal. Source: opted

10. a. word/cunning">Cunning or sly; word/sportively">sportively mischievous; roguish; as, an arch look, word, lad. Source: opted

11. n. A chief. Source: opted

12. adj. (used of behavior or attitude) characteristic of those who treat others with condescension Source: wordnet

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