easy
The doorway had a stone arch.
What does Arch mean?
An arch is a curved shape or structure.
Dictionary definition
A curved shape or structure, often over an opening.
Example sentences
Arch in a sentence
medium
The cat arched its back when it stretched.
hard
The bridge used a strong arch shape to support weight.
Writing practice
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Quick practice
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Practice the meaning of Arch
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is an arch?
An arch is a curved shape, often used in doorways, bridges, and buildings.
Practice 2
Which word is closest in meaning to arch?
Curve is close in meaning to arch in this dictionary entry.
Practice 3
Which word is an antonym of arch?
Straight Line contrasts with arch in this dictionary entry.
Practice complete
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Arch
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ARCH
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ARCH
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WordArch.
Partnoun, verb.
MeaningArch means An arch is a curved shape or structure.
ExampleExample: The doorway had a stone arch.
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Synonyms
Words like Arch
curveUse for a rounded line or shape.
arcUse for part of a circle or curved path.
Antonyms
Opposite words
straight lineUse for a shape with no curve.
flat shapeUse when something has no curve or rise.
Synonym practice
Want to practice arch synonyms in context? Try a Synonym Search question like "The stone arch curved over the garden gate," then compare close word choices. Practice arch synonyms.
Word family
Arch word family
Base word
arch
adjective
arched
Curved like an arch.
verb
arching
Bending or curving into an arch shape.
Related words
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Student support
Understand Arch
Hint for students
An arch is a curved shape or structure.
Common mix-up
Arch is not the same as straight line. Arch means an arch is a curved shape or structure.
Try it in class or at home
Read this model sentence: The cat arched its back when it stretched. Clue words: cat, arched, back. Underline clue words that show why arch fits instead of straight line. Now write one new sentence that shows arch without using the word arch. Ask: Does my sentence clearly show arch?
Teacher prompt
Ask students to explain this model sentence: "The cat arched its back when it stretched." Why does arch fit better than straight line?
Learning activities
Practice Arch and explore more word games
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Practice ARCH
Sentence Builder
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