skewquadrilateral
nounUK /skjuː ˌkwɒdrɪˈlætərəl/
US /skju ˌkwɑdrɪˈlætərəl/
A skew quadrilateral is a four-sided shape whose corners do not all lie flat on one plane.
The wire frame formed a skew quadrilateral because its four corners were not on the same flat surface.
RELATED WORDS
OTHER MEANINGS
2. A quadrilateral whose four vertices are not coplanar, so its sides do not all lie in a single plane.
In three-dimensional geometry, a skew quadrilateral has no single plane containing all four sides.
3. A closed chain of four line segments in space that is not flat.
The model showed a skew quadrilateral made of four rods joined end to end.
4. A four-point figure used in projective geometry where the points are in general position in space.
The theorem was proved using a skew quadrilateral of four points in space.