半はん輪りん

noun, noun which may take the genitive case particle 'no'

semicircle; half-moon

Refers to a half-circle shape or a half-moon; used as a noun or with の to modify another noun.

• 空そらに半はん輪りんの月つきが浮うかんでいた。

  A half-moon was floating in the sky.

• この図ず形けいは半はん輪りんを二ふたつ組くみ合あわせたものです。

  This figure is made by combining two semicircles.