Search the Dictionary

The interior curve of an arch; esp., the inner or lower curved face of the whole body of voussoirs taken together. See Extrados.

ight upward concavity in a straight arch. See Hogback. Camber arch (Arch.), an arch whose intrados, though apparently straight, has a slightly concave curve upward. -- Camber beam (Arch.), a beam whose under side has a concave curve upward.

A triangular protection from the intrados of an arch, or from an inner curve of tracery.

xterior curve of an arch; esp., the upper curved face of the whole body of voussoirs. See Intrados.

blique arch (Arch.), an arch whose jambs are not at right angles with the face, and whose intrados is in consequence askew. -- Oblique bridge, a skew bridge. See under Bridge, n. -- Oblique case (Gram.), any case except the nominative. See Case, n. -- Oblique circle (Projection), a circle whose plane is oblique to t…

line drawn through the junction of the vertical face of the impost with the curve of the intrados; -- called also spring of an arch.

occupied by a vertical member, molded or ornamented, as a continuation of the archivolt, intrados, etc.

traight ballot. [Political Cant, U.S.] Straight arch (Arch.), a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch. -- A straight face, one giving no evidence of merriment or other emotion. -- A straight line. "That which lies evenly between its extreme points." Eu…