半はん周しゅう

noun

semicircle; half a circumference

Refers to a half-circle shape or half of a circular path. Often used in geometry, sports tracks, or describing routes.

• トラックを半はん周しゅう走はしった。

  I ran half a lap around the track.

• 池いけの周まわりを半はん周しゅうする。

  Go halfway around the pond.

noun or participle which takes 'suru', transitive verb

go halfway around

Used as a suru-verb to mean traveling or moving halfway around something, such as the earth or a track.

• 地ち球きゅうを半はん周しゅうする旅たびに出でた。

  I set off on a journey halfway around the earth.

• 船ふねが岬みさきを半はん周しゅうした。

  The ship went halfway around the cape.