Compass

DEFINITION

A mechanical tool that has two hinged, adjustable legs for drawing different sizes (radius / diameter) of circle and arcs. One of the legs has a sharp steel point that is placed on one spot on the paper. The other can hold either a pencil, a pen or a blade, determines the circle's size, and that rotates around the pointed end.Also see angle, curve, freehand, mechanical drawing, protractor, and scissors.