Dictionary.net

a curved bony structure supporting or enclosing organs (especially arches of the feet)

a curved shape in the vertical plane that spans an opening

expert in skulduggery; "an arch criminal"

(of persons) highest in rank or authority or office; "his arch rival"

a curved bony structure supporting or enclosing organs (especially arches of the feet)

a curved shape in the vertical plane that spans an opening

expert in skulduggery; "an arch criminal"

(of persons) highest in rank or authority or office; "his arch rival"; "the boss man"; "the chief executive"; "head librarian"; "top administrators"

Any part of a curved line.

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.

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.

Any place covered by an arch; an archway; as, to pass into the arch of a bridge.

Any curvature in the form of an arch; as, the arch of the aorta.

To cover with an arch or arches.

To form or bend into the shape of an arch.

To form into an arch; to curve.

Chief; eminent; greatest; principal.

Cunning or sly; sportively mischievous; roguish; as, an arch look, word, lad.

A prefix signifying chief, as in archbuilder, archfiend.

Any part of a curved line.

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.

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.

Any place covered by an arch; an archway; as, to pass into the arch of a bridge.

Any curvature in the form of an arch; as, the arch of the aorta.

To cover with an arch or arches.

To form or bend into the shape of an arch.

To form into an arch; to curve.

Chief; eminent; greatest; principal.

Cunning or sly; sportively mischievous; roguish; as, an arch look, word, lad.

A prefix signifying chief, as in archbuilder, archfiend.

A structure of brick or masonry, the wedge-shaped part3 of which follow a curved line; usually forming the top of a door, window, or gateway; part of a curved line.

To cover with a curved structure; to bend or curve.

To form a bent or curved top or covering; curve.

Chief; of the first rank: used as a prefix; as, archbishop; cunning; mischievous; coy.

Term applied to structures that are curved.

A construction of stones or other materials, arranged in the line of a curve, so as by mutual pressure to support each other.

To cover with an arch: to bend into the form of an arch.

Cunning: sly: waggish: mirthful: shrewd.

ARCHLY.

ARCHNESS.

Used as a prefix: the first or chief.

ARCHLY.

ARCHNESS.

Chief.

To form into an arch; form an arch; curve; span with an arch or arches.

Innocently cunning; roguish; playfully sly; coy.

A bow like curve, structure, or object.

Arch. A curved structure supported at the sides or ends only, and formed of distinct pieces fitted together to span an opening.

Chief or principal; very great; extreme. In words beginning with the prefix arch-, the syllable arch- is pronounced arc-, before a vowel; as, archangel, before a consonant the pronunciatoin is arch-, as, archbishop, archduchess.

Chief; principal (mostly used as prefix).

Part of a circle or curve; a curved, self-supporting structure.

Playfully sly.

To form an arch.

Chief.

A structure of bow-like or curved outline.

The curved portion of any tissue or organ, or a curve made by a nerve or a vessel.

n. A curve line or part of a circle; –any work in that form, or covered by an arch.

Part of a circle, not more than the half; a building in form of a segment of a circle, used for bridges; vault of heaven; a chief.

Chief, of the first class; waggish, mirthful.