Bow"-com`pass (?), n.; pl. Bow-compasses ().


An arcograph.


A small pair of compasses, one leg of which carries a pencil, or a pen, for drawing circles. Its legs are often connected by a bow-shaped spring, instead of by a joint.


A pair of compasses, with a bow or arched plate riveted to one of the legs, and passing through the other.


© Webster 1913.