Dictionary 1. (n.) A four-sided figure having only right angles; a right-angled parallelogram.2. (a.) Rectangular. Thesaurus Little Joe biquadrate four four-part diaphony foursome quad quadrangle quadrature quadrennium quadrilateral quadrille quadrinomial quadruplet quartet quatern quaternary quaternion quaternity quatrefoil square square dance squaring tetrad tetragon tetragram tetragrammaton tetrahedron tetralogy tetraphony tetrapody |