Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “arch”

See all translations

arch

noun [C]  /ɑrtʃ/ us  
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]  /ɑrtʃ/ us  
[T] Cats often arch their backs when they stretch.
arched
adjective  /ɑrtʃt/ us  
Arched bookcases filled each end of the room.
(Definition of arch from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of arch?
Add Cambridge dictionaries to your browser to your website

Definitions of “arch” in other dictionaries

Word of the Day

thug

a man who acts violently, especially to commit a crime

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More