Perspective in which neither side of the principal object is parallel to the plane of delineation, so that the horizontal lines of each side converge to a vanishing point; also in extended use.
Origin
Early 19th century.
Definition of oblique perspective in US English:
oblique perspective
noun
Perspective in which neither side of the principal object is parallel to the plane of delineation, so that the horizontal lines of each side converge to a vanishing point; also in extended use.