子し午ご儀ぎ

noun

meridian instrument; transit instrument; meridian circle

Technical term in astronomy for a telescope mounted to observe celestial objects as they cross the meridian.

• 子し午ご儀ぎは天てん体たいの子し午ご線せん通つう過かを観かん測そくするために使つかわれる。

  A meridian instrument is used to observe celestial objects crossing the meridian.