矩く

noun

quadrature

Astronomical term for a configuration where two celestial bodies have an angular separation of 90 degrees.

• 月つきが矩くにあるとき、太たい陽ようと月つきの角かく度どは約やく90度どになる。

  When the moon is in quadrature, the angle between the sun and the moon is about 90 degrees.

noun

square (tool)

Rare term for a carpenter's square; the more common reading is かね. See 矩 (かね).

See also: 矩 (かね)

• 大だい工く道どう具ぐの矩くは、今いまではほとんど使つかわれない呼よび方かただ。

  The term 矩 (く) for a carpenter's square is rarely used nowadays.