semicircle
noun
semi·cir·cle
ˈse-mē-ˌsər-kəl 
ˈse-ˌmī-,
-mi-
1
: a half of a circle
2
: an object or arrangement of objects in the form of a half circle
Examples of semicircle in a Sentence
The children sat in a semicircle.
The houses are built in a semicircle.
Recent Examples on the Web
Corona Borealis, a delicate semicircle of seven stars, lies between them.
—
Jamie Carter, Space.com, 2 Mar. 2025
John Hammersley connected two quarter circles with a rectangle, then cut a semicircle out of it to form a shape that resembled an old telephone.
—Richard Green, Quanta Magazine, 14 Feb. 2025
Consider a semicircle with a diameter (the straight base) of 2.
—Jack Murtagh, Scientific American, 4 Feb. 2025
Half participated in a group watching session, where six participants at a time watched video health messages while sitting in a room in a semicircle.
—Paul McClure 16, New Atlas, 16 Feb. 2025
See All Example Sentences for semicircle
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Jamie Carter, Space.com, 2 Mar. 2025
John Hammersley connected two quarter circles with a rectangle, then cut a semicircle out of it to form a shape that resembled an old telephone.
—Richard Green, Quanta Magazine, 14 Feb. 2025
Consider a semicircle with a diameter (the straight base) of 2.
—Jack Murtagh, Scientific American, 4 Feb. 2025
Half participated in a group watching session, where six participants at a time watched video health messages while sitting in a room in a semicircle.
—Paul McClure 16, New Atlas, 16 Feb. 2025
See All Example Sentences for semicircle
Cite this Entry
“Semicircle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semicircle. Accessed 13 Mar. 2025.
Copy CitationKids Definition
semicircle
noun
semi·cir·cle
ˈsem-i-ˌsər-kəl
1
: half of a circle
2
: an object or arrangement of objects in the form of a half circle
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