Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. mathematical concepts
6. geometric concepts
7. geometric figures
8. plane figures
9. polygons
10. quadrilaterals (polygons)

Narrower term/s

• rhombuses
• rectangles[+]
  • squares (geometric figures)

Anotations

Scope note:

Quadrilateral figures in which both pairs of opposite sides are parallel to each other, especially used for such figures in which the sides do not intersect at right angles. For four-sided figures having right angles, the terms "square" or "rectangle" are more commonly used.