skewquadrangle
nounUK /ˌskjuːˈkwɒdræŋɡl/
US /ˌskjuːˈkwɑːdræŋɡl/
A skewquadrangle is a four-sided shape whose sides do not all lie flat on one plane.
The engineer drew a skewquadrangle to show how the four rods twisted through space.
RELATED WORDS
OTHER MEANINGS
2. A quadrilateral whose four vertices are not coplanar.
In three-dimensional geometry, a skewquadrangle has no single flat surface containing all its corners.
3. A four-sided framework in which the sides are joined at angles that twist out of a plane.
The sculptor built a skewquadrangle from metal bars to create a twisting frame.
4. A term sometimes used for a quadrilateral with no parallel sides.
Some older textbooks call a trapezium-like figure a skewquadrangle.