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Elementary Dictionary
       

arch

 
 
pronunciation:
arch
parts of speech:
noun, verb
part of speech: noun
definition: An arch is a curved structure. An arch goes over the top of an open space. You can sometimes see an arch over the top of a big entrance to a place. Arches are often made of stone.
There is an arch over the entrance to the church.
 
similar words:
doorway, span
 
part of speech: verb
inflections: arches, arching, arched
definition: When you arch something, you form a curve in it that looks a little like an arch. When you arch your back, your back goes up in a curving shape.
The cat arched its back and then stretched.
synonyms:
bend, curve