parallelograms is a form of:

Parallelogram



noun
1.
(a four sided plane figure with both pairs of opposite sides parallel) ចតុរស្ស, ព្នាយស្រប, ៤ជ្រុងព្នាយស្រប
ENGLISH MEANING
noun
1.
A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; -- sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles.