parallelogram

/ˌpærəˈlɛləˌɡræm/
noun
  1. A flat shape with four straight sides, where opposite sides are parallel and equal in length.
    • The students drew a parallelogram on the board and labeled its sides.
    • A rectangle is a special type of parallelogram with right angles.
    • The area of a parallelogram is found by multiplying the base by the height.
What does "parallelogram" mean? | whatsthatwordmean | whatsthatwordmean