1. having the shape of a trapezoid; having four sides with one pair of parallel sides

Examples

• The trapezoidal window gave the building a distinctive architectural style.
• She cut the fabric into a trapezoidal shape for the quilt pattern.
• The trapezoidal plot of land was difficult to landscape evenly.
• The bridge featured trapezoidal support beams for added stability.
• The trapezoidal table fit perfectly in the corner of the room.
• Engineers designed a trapezoidal cross-section for the drainage channel.