semi·​cir·​cle | \ ˈse-mē-ˌsər-kəl, ˈse-ˌmī-, -mi-\

Definition of semicircle

1 : a half of a circle
2 : an object or arrangement of objects in the form of a half circle

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Other Words from semicircle

semicircular \ ˌse-​mē-​ˈsər-​kyə-​lər , ˌse-​ˌmī-​, -​mi-​ \ adjective

Examples of semicircle in a Sentence

The children sat in a semicircle. The houses are built in a semicircle.

Recent Examples on the Web

Brush some melted chocolate on flat side of halves and dip into black sanding sugar for wings Cut a thin slice from the flat side of an orange spice drop and cut the slice in half to make feet (2 semicircles). Woman's Day Kitchen, Woman's Day, "Snowy Cookie Truffles," 30 Nov. 2018 The guests were arranged in a tight semicircle facing Dorothy. Jonathan Reynolds, Town & Country, "At Your Service," 11 July 2014 Paravan’s sound-absorbing panels come in a variety of shapes and configurations, from semicircles to straight lines. Liz Stinson, Curbed, "A colorful new take on the cubicle," 22 Oct. 2018 Standing in a semicircle surrounding Franklin’s family, the women filed in for nearly 10 minutes wearing black dresses, pearl necklaces, and corsages of African violets, the sorority’s official flower. Errin Haines Whack, The Seattle Times, "Delta Sigma Theta pays tribute to soror, the Queen of Soul," 28 Aug. 2018 With Israeli guards looking on impassively from gun towers, the asylum-seekers assembled in a loose semicircle facing the prison. Brian Goldstone, The New Republic, "Essential reporting, interpretation, and opinion on politics and culture. Don't miss our latest.," 26 June 2018 When Phil Booth drove to the lane — Kansas' Malik Newman stuck to his hip — Azubuike stayed anchored on the charge semicircle, waiting for a potential block attempt. Jesse Newell, kansascity, "How 155 painful seconds summarized KU's loss to Villanova | The Kansas City Star," 31 Mar. 2018 That explanation didn’t satisfy many who had watched videos of the shooting that showed nearly a dozen officers surrounding Woods in a semicircle. Evan Sernoffsky, San Francisco Chronicle, "Mario Woods shooting: Bayview residents ‘insulted’ by DA clearing police," 25 May 2018 One fall afternoon at Berkeley, outside the Free Speech Movement Café, several undergraduates gathered in a semicircle around an oversized poster, Sharpies in hand, doing what their liberal-arts curriculum had trained them to do: dissecting a text. Andrew Marantz, The New Yorker, "How Social-Media Trolls Turned U.C. Berkeley Into a Free-Speech Circus," 23 May 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'semicircle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of semicircle

1526, in the meaning defined at sense 1

History and Etymology for semicircle

Latin semicirculus, from semi- + circulus circle

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Last Updated

14 Jan 2019

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Time Traveler for semicircle

The first known use of semicircle was in 1526

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English Language Learners Definition of semicircle

: half of a circle

: an arrangement of people or things that forms a semicircle


semi·​cir·​cle | \ ˈse-mi-ˌsər-kəl \

Kids Definition of semicircle

: half of a circle

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