しかく四角shikakuいi
1.
Describes an object that has four equal sides and right angles, resembling the geometric shape known as a square.
2.
Refers to a shape that is four-sided, with a flat, even surface and straight edges, creating a rectangular appearance.
3.
Indicates the quality of having a four-cornered outline, often associated with the measurements and angles found in geometric figures.
Example:
必要なのは四角いテーブルで、円卓ではない。