Last Updated
：2026/01/08
矩
Hiragana
く
Noun
Japanese Meaning
天文学における「矩（く）」：太陽と惑星が地球から見て直角（90度）の位置関係になることを指す語。「quadrature」に対応する専門用語。 / 一般的な「矩（かね）」：大工道具の曲尺（かねじゃく）のこと。また、直角・規矩・基準・法度といった意味をもつ漢字。 / 比喩的用法：「矩をこえる」（規矩・法度を超える）などの形で、一定の基準・限度・道理を表す語。
Easy Japanese Meaning
てんもんでちきゅうからみてたいようとほしのかくどがちょっかくになること
Chinese (Simplified) Meaning
天文学：四分相位；天体与太阳成约90°夹角的配置 / 月球的弦相（上弦或下弦）
Chinese (Traditional) Meaning
天文：方照；天體相對太陽的伸角為90° / 天文：東矩或西矩的統稱
Korean Meaning
천문: 태양과의 이각이 90°가 되는 배치 / 외행성이나 달이 태양에서 동쪽이나 서쪽으로 직각 떨어져 보이는 상태
Indonesian
kuadratur (astronomi) / posisi benda langit saat elongasi 90° dari Matahari
Vietnamese Meaning
vị trí vuông góc của thiên thể (độ giãn cách 90° so với Mặt Trời) / pha thượng huyền hoặc hạ huyền của Mặt Trăng (khi góc kéo dài 90°)
Tagalog Meaning
kuwadratura (sa astronomiya) / kalagayang 90° ang pagitan ng dalawang bagay sa langit (hal. planeta at Araw) / yugtong katumbas ng unang o huling kuwarter ng Buwan
Sense（1）
(astronomy) quadrature
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
矩
See correct answer
Tonight, the moon is in quadrature.
See correct answer
今夜、月は矩の位置にあります。
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