Quadrilateral (disambiguation)

Look up quadrilateral in Wiktionary, the free dictionary.

The word quadrilateral can refer to:

• Quadrilateral, in geometry, a polygon with 4 sides
• Complete quadrilateral, in projective geometry, a configuration with 4 lines and 6 points
• Chicago-Lambeth Quadrilateral, a four-point statement of fundamental doctrine, in the Anglican Communion
• Wesleyan Quadrilateral, the four sources of doctrine in the Methodist Church
• In history and geography
  • Quadrilatero, in the Revolutions of 1848, in the Italian states - an area within the group of fortresses at Mantua, Verona, Peschiera and Legnago
  • In the Battle of the Somme in World War I, the Quadrilateral was a German redoubt near Ginchy
  • Southern Dobruja, which has passed from Bulgaria to Romania in 1913, and back to Bulgaria in World War II
• Golden Quadrilateral, a network of highways in India
• Golden Quadrilateral (Indian Railways)
• Quadrilateral Security Dialogue, a strategic alliance of the United States, Japan, Australia and India within Asia.
• Quadrilateral Treaty, a pact between the Argentine provinces of Buenos Aires, Santa Fe, Entre Ríos and Corrientes, signed on 25 January 1822.

See also: Quadriliteral, Quadrangle (geography)