arch

noun [C]

/ɑːtʃ/

/ɑːrtʃ/

Definition

C2 a structure, consisting of a curved top on two supports, that holds the weight of something above it: In many churches the side aisles are separated from the central aisle by a row of arches. Passing through the arch, you enter an open courtyard. → See also archwayArches, columns and beams › something that has the shape of an arch, often used for decorationGeometrical shapesSpherical, circular and annular objects › the raised curve on the bottom of your foot: She's got very high arches.The foot

(Definition of arch noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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