arch Meaning in Cambridge American English Dictionary
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Meaning of "arch" - American English Dictionary

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archnoun [C]

 us   /ɑrtʃ/
a structure consisting of a curved top on two supports which holds the weight of something above it, or something decorative that has this shape: Two rows of arches support the roof of the building. The arch of your foot is the higher, curved part on the bottom.
arch
verb [I/T]  us   /ɑrtʃ/
[T] Cats often arch their backs when they stretch.
arched
adjective  us   /ɑrtʃt/
Arched bookcases filled each end of the room.
(Definition of arch from the Cambridge Academic Content Dictionary © Cambridge University Press)
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