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子午環 (しごかん) Japanese meaning | Kotomora

子し午ご環かん

し

ご

か

ん

Meanings

1

meridian circle; transit circle

A specialized astronomical instrument used to measure the positions of celestial objects as they cross the meridian.

子し午ご環かんは天てん体たいの位い置ちを精せい密みつに測そく定ていするために使つかわ

Kanji

子child, sign of the rat, 11PM-1AM
午noon, sign of the horse, 11AM-1PM
環ring, circle, loop

Etymology

Compound of 子午 (shigo, 'meridian') and 環 (kan, 'ring' or 'circle'), referring to the instrument's circular scale aligned with the meridian.

れる

。

The meridian circle is used to precisely measure the positions of celestial bodies.