| CADRANS | • cadrans n. An instrument by which a gem is adjusted while being cut. • CADRANS n. (French) an instrument used in gem cutting. | 
| QUADRANS | • quadrans n. A bronze coin of the Roman republic worth one quarter of an as. • QUADRANS n. (Latin) a Roman coin, a fourth part of an as. | 
| QUADRANT | • quadrant n. One of the four sections made by dividing an area with two perpendicular lines. • quadrant n. (Mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis. • quadrant n. (Geometry) One fourth of a circle or disc; a sector with an angle of 90°. | 
| CADRANSES | • CADRANS n. (French) an instrument used in gem cutting. | 
| QUADRANTS | • quadrants n. Plural of quadrant. • QUADRANT n. a quarter section of a circle. | 
| QUADRANGLE | • quadrangle n. (Geometry) A geometric shape with four angles and four straight sides; a four-sided polygon. • quadrangle n. A courtyard which is quadrangular. • quadrangle n. The buildings forming the border of such a courtyard. | 
| QUADRANTAL | • quadrantal n. An ancient Roman unit of measure for liquids. • quadrantal n. Cube. • quadrantal adj. (Geometry) Of or relating to a quadrant, or included in the fourth part of a circle. | 
| QUADRANTES | • quadrantes n. Plural of quadrans. • QUADRANS n. (Latin) a Roman coin, a fourth part of an as. | 
| QUADRANGLES | • quadrangles n. Plural of quadrangle. • QUADRANGLE n. a plane figure with four angles (and therefore four sides). | 
| QUADRANGULAR | • quadrangular adj. Having the shape of a quadrangle; in the shape of a quadrangle. • QUADRANGULAR adj. like a quadrangle. | 
| QUADRANGULARLY | • quadrangularly adv. In a quadrangular shape or manner. • QUADRANGULAR adv. like a quadrangle. |