semicircle
noun /ˈsemisɜːkl/
/ˈsemisɜːrkl/, /ˈsemaɪsɜːrkl/
- enlarge image(geometry) one half of a circleTopics Colours and Shapesc2
- a thing, or a group of people or things, like a semicircle in shape
- a semicircle of chairs
- We sat in a semicircle round the fire.
Word Originearly 16th cent.: from Latin semicirculus (see semi-, circle).