This picture frame is a rectangle.
The definition of a rectangle is a four-sided figure or shape with four right angles that isn't a square.
An example of a rectangle is the shape of a an 8x10 picture frame.
- any four-sided plane figure with four right angles
- any such figure or shape that is not a square; oblong
Origin of rectangleFrench from Medieval Latin rectangulum from Classical Latin rectus (see recti-) + angulus, angle
A four-sided plane figure with four right angles.
Origin of rectangleFrench from Medieval Latin rēctangulum a right triangle from Late Latin rēctiangulum Latin rēctus right ; see reg- in Indo-European roots.Latin angulus angle