Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “arch”

arch

noun [C]     /ɑːtʃ/
STRUCTURE a curved structure that usually supports something, for example a bridge or wall ArchitectureArches, columns and beams
FOOT the curved , middle part of your foot that does not touch the ground The foot
(Definition of arch noun from the Cambridge Learner's Dictionary © Cambridge University Press)

More Learner's Dictionary definitions for “arch”

Definitions of “arch” in other dictionaries

Word of the Day

best man

a male friend or relation of the bridegroom who stands with him and helps him during a marriage ceremony

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More