Quadrilateral

kwod-ri-lat'Cr-al, adj. havingy^wr — sides. u {geom.) a plane figure having four sides. (I, q uadrHaterus—quaiuor, four, and lat us, later is a side.] Quadrlliteral, kwod-ri-lit'er-al, adj of four letters. [L quaiuor, four, and liter a, a letter.] Quadrille, ka-dril' or kwa-dril', «. a game at cards played by four a dance made up of sets of dancers contain couples each. [Fr.; from It. quadriglta—L. quadra a square quatuor, four.] Quadrillion, kwod-rii'yun, «. a million raised to the fourth power, represented by a unit with 24 ciphers. [Coined from L. quater, four times* on the model of Million.]