rectangle

n. a shape with four straight sides and four 90-degree corners (right angles).

n. a quadrilateral with four right angles. While geometrically a square is a type of rectangle, in general discourse the term usually refers to non-equilateral quadrilaterals.

“The teacher asked the children to draw a rectangle and color it blue.”

“The architect designed the floor plan as a series of interlocking rectangles to maximize the available natural light in the office spaces.”

n. an old word for a 90-degree corner.

n. a right angle. This sense is restricted to historical or highly specialized mathematical texts.

“In the old book, the author used the word rectangle to mean a square corner.”

“The seventeenth-century manuscript describes the intersection of the two lines as forming a perfect rectangle.”

Archaic · Technical