1. plural of trapezium: quadrilaterals with one pair of parallel sides
Usage: British English
2. plural of trapezium: small bones in the wrist near the thumb
Usage: anatomy

Examples

• The geometry textbook showed several different trapeziums.
• Students learned to calculate the area of trapeziums using the formula.
• The architect designed windows in the shape of trapeziums.
• X-rays revealed fractures in both trapeziums of the patient’s wrists.
• The trapeziums connect the thumb to the forearm bones.
• These irregular trapeziums made the math problem more challenging.