quadrangle (n.)

• arena
• biquadrate
• block
• cincture
• close
• container
• coop
• court
• courtyard
• croft
• curtilage
• enclave
• enclosure
• field
• fold
• forty
• four
• foursome
• ground
• kraal
• list
• lot
• pale
• paling
• park
• patch
• pen
• plat
• plot
• quad
• quadrature
• quadrennium
• quadrilateral
• quadrille
• quadruplet
• quartet
• quatern
• quaternary
• quaternion
• quaternity
• rectangle
• section
• square
• tetrad
• tetragon
• tetragram
• tetragrammaton
• tetrahedron
• tetralogy
• theater
• tract
• yard