rectangle — English Dictionary

Noun

1. Any quadrilateral having opposing sides parallel and four right angles.

   Broader terms

   quadrilateralpolygonshape

2. Such a quadrilateral that is oblong (longer than it is wide): one that is not regular (equilateral), that is, any except a square.

   Broader terms

   polygonshape

3. A right angle.

   Usage

   • Archaic

   Examples

   More examples (1)

   For why should you praise, for example, the integrity of a Square who faithfully defends the interests of his client, when you ought in reality rather to admire the exact precision of his Rectangles?

4. The product of two quantities.

   Usage

   • Archaic

   Examples

   In Lines it [the product] is always (and ſometimes in Numbers) call'd the Rectangle between the two Lines, multiply'd by one another.

Adjective

1. Right-angled.

   Usage

   • Archaic
   • not-comparable

   Examples

   a rectangle triangle

Noun

1. a parallelogram with four right angles

   Broader terms

   parallelogram