D defs.my
Entry 3 senses Webster, 1913

Bow-compass

· Bow·-com·pass · IPA
01 n. An arcograph.
pl. Bow-compasses
  1. 1.
    An arcograph.
  2. 2.
    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.
  3. 3.
    A pair of compasses, with a bow or arched plate riveted to one of the legs, and passing through the other.