Semicircle Definition

sĕmĭ-sûrkəl
semi-circle, semicircles
noun
semicircles
A half circle.
Webster's New World
Anything in the form of a half circle.
Webster's New World

An instrument for measuring angles.

Wiktionary
Synonyms:

Other Word Forms of Semicircle

Noun

Singular:
semicircle
Plural:
semicircles

Origin of Semicircle

  • semi- +"Ž circle

    From Wiktionary

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semicircle