GNU Collaborative International Dictionary of English

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  1.       

    Bow-compass , n.; pl. Bow-compasses .
    1. An arcograph.
      1913 Webster
    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.
      1913 Webster
    3. A pair of compasses, with a bow or arched plate riveted to one of the legs, and passing through the other.
      1913 Webster

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