Arch Definition & Meaning | Britannica Dictionary

An Encylopedia Britannica Company The Britannica Dictionary mobile search
  • Home
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • Browse the Dictionary
×
  • Britannica Homepage
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • Browse the Dictionary
The Britannica Dictionary arch 4 ENTRIES FOUND:
  • arch (noun)
  • arch (verb)
  • arch (adjective)
  • arch- (prefix)
1 arch /ˈɑɚtʃ/ noun plural arches 1 arch /ˈɑɚtʃ/ noun plural arches Britannica Dictionary definition of ARCH [count] 1 : a usually curved part of a structure that is over an opening and that supports a wall or other weight above the opening 2 : the raised area on the bottom of the foot that is formed by a curved section of bones see picture at foot 3 : something that has a curved shape [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 2 arch /ˈɑɚtʃ/ verb arches; arched; arching 2 arch /ˈɑɚtʃ/ verb arches; arched; arching Britannica Dictionary definition of ARCH : to bend into the shape of an arch : curve [+ object] [+] more examples [-] hide examples [+] Example sentences [-] Hide examples [no object] [+] more examples [-] hide examples [+] Example sentences [-] Hide examples

— arched

adjective [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 3 arch /ˈɑɚtʃ/ adjective 3 arch /ˈɑɚtʃ/ adjective Britannica Dictionary definition of ARCH : having or showing an amused feeling of being superior to or knowing more than other people [+] more examples [-] hide examples [+] Example sentences [-] Hide examples

— archly

adverb [+] more examples [-] hide examples [+] Example sentences [-] Hide examples

— archness

noun [noncount] ASK THE EDITOR
What are the plural forms of check-in, passerby, and spoonful? See the answer »
QUIZZES Vocabulary Quiz Icon Vocabulary Quiz Test your word power Take the Quiz » Name That Thing Icon Name That Thing Take our visual quiz Test Your Knowledge » WORD OF THE DAY
Humanitarian Illustration humanitarian : a person who works to make other people's lives better Learn More »
  1. About Us & Legal Info
  2. Contact Us
  3. Privacy Notice
  4. Terms of Use
  5. Pronunciation Symbols
  6. Help
© 2026 Encyclopædia Britannica, Inc.

Tag » What Is An Arch Pic