1. a quadrilateral with exactly one pair of parallel sides
Usage: US geometry
2. a small bone in the wrist near the base of the thumb
Usage: anatomy

Examples

• The students learned to calculate the area of a trapezoid using the formula.
• A trapezoid has two parallel sides called bases and two non-parallel sides called legs.
• The roof of the barn was shaped like a trapezoid.
• She drew a trapezoid on the whiteboard during the geometry lesson.
• The trapezoid bone connects to the thumb’s metacarpal bone.
• In British English, this shape is called a trapezium rather than a trapezoid.