Roughly rectangular or elliptical.
Having the horizontal axis of a page longer than the vertical; In landscape orientation.
Having a length and width that are different; not square or circular.
To give an oblong shape to.
To extend so as to form an oblong shape.
A rectangle with length and width that are different.
An ellipse with minor and major axes that are different.
Something with an oblong shape.
Having a shape like a rectangle.
Having axes that meet each other with right angles.