- 1(geometry) one half of a circle
- 2the line that forms the edge of a semicircle
- 3a thing, or a group of people or things, shaped like a semicircle a semicircle of chairs We sat in a semicircle round the fire.
semicircularjump to other results
NAmE//ˌsɛmiˈsərkyələr//adjective a semicircular driveway