trapeze vs trapezium

trapeze

• The trapezium bone. 

• A swinging horizontal bar suspended at each end by a rope, used by gymnasts. 

• To swing on a trapeze. 

trapezium

• The trapezium bone of the wrist. 

• A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers. 

• A quadrilateral with two sides parallel and two sides non-parallel. 

• A quadrilateral with two sides parallel.