1. ruler
2. carpenter's square
Kanji
1. ruler
2. carpenter's square
1. carpenter's square
2. upside-down and mirrored L-shape (used in traditional shop logos combined with another character)
+ 2 additional meanings1. quadrature
1. Rectangular; Square
1. With a square; By means of a square
1. Rectitude; Politeness
1. Was rectangular.; Was proper/correct.
1. Probably a rectangle.; Likely rectangular.
1. Was rectangular; Was a rule
1. If/when the square…; If/when right-angled…