Trapezium

thumb|Comparisons of "trapezium" in both British and American English. Trapezium, plural trapeziums or trapezia, may refer to: Trapezium, in British and other forms of English, a trapezoid, a quadrilateral that has exactly one pair of parallel sides Trapezium, in North American English, an irregular quadrilateral with no sides parallel Trapezium (bivalve), a genus of molluscs in the family Trapezidae Trapezium (bone), a bone in the hand Trapezia (crab), a genus of crabs Trapezium (novel), a Japanese novel by Kazumi Takayama

==See also== Trapezius, a muscle in the upper torso and neck Trapezium Cluster, a group of stars in the Orion Nebula