rectangle

Right-angled.

Adjective

  1. Right-angled.
    • a rectangle triangle

Origin

Borrowed from Middle French, from Old French, from Medieval Latin or Late Latin rectangulum (“right angle”), from Latin rectus (“right”) + angulus (“an angle”).

Noun

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

    Hypernyms: polygon

    Coordinate Terms: circle ellipse triangle trapezoid rhombus

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

    Hypernyms: shape polygon

    Coordinate Terms: square circle oval ellipse triangle trapezoid rhombus lozenge diamond

  3. A right angle.
    • 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? - 1884, A Square...
  4. The product of two quantities.
    • In Lines it [the product] is always (and ſometimes in Numbers) call'd the Rectangle between the two Lines, multiply'd by one another. - 1728, E[phraim] Chambers, “Product”, in Cyclopædia: Or, An Universal Dictionary of...

Forms

rectangles

Hyponyms

oblong square

Related

rect angle rectangular rectification rectify rectilinear

Derived

golden rectangle hyperrectangle love rectangle open rectangle rectagraph rectangled rectanglelike roundrect subrectangle