Definition of semicircle in English:

semicircle

Line breaks: semi|circle
Pronunciation: /ˈsɛmisɜːkl
 
/

noun

  • 1A half of a circle or of its circumference.
    More example sentences
    • It is a complete circle and then down on the bottom half there is a semicircle with a little circle above it.
    • His point is well taken, for if circles were defined in terms of semicircles, then presumably semicircles would be defined in terms of the quarter-circles of which they are composed, and so on, ad infinitum.
    • It is well burnished only on the exterior body, which is decorated with a series of engraved ticked circles and semicircles.
  • 1.1A set of objects arranged in a semicircle: chairs were in a semicircle round the hearth
    More example sentences
    • The patara ruin has rows of stone seats arranged in a semicircle, like the chambers of the American Congress.
    • I'm sat in one of those chairs with a little side table to rest your notebook on, arranged in a semicircle in a darkened room.
    • Tables have been arranged in a semicircle around the bench rather than in the normal linear fashion.

Origin

early 16th century: from Latin semicirculus (see semi-, circle).

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