bow compass

(redirected from bow-spring compass)
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bow compass

 (bō)
n.
A drawing compass with legs that are connected by an adjustable metal spring band.

bow compass

(bəʊ)
n
(Mathematics) a compass for drawing, in which the legs are joined by a flexible metal bow-shaped spring rather than a hinge, the angle being adjusted by a screw. Also called: bow-spring compass