noun, noun which may take the genitive case particle 'no'
semicircle; half circle
Refers to a half-circle shape or a semicircular object. Commonly used in geometry, design, and everyday descriptions.
The children sat in a semicircle.
The windows of this building are semicircular in shape.
Compound of 半 (half) and 円 (circle). The reading is the standard on'yomi combination.