圆规，双脚规
a V-shaped device that is used for drawing circles or measuring distances on maps
You will need sharp scissors, a ruler, and a pair of compasses for making circles.
To draw a regular hexagon, begin by using compasses to draw a circle.
He used one end of the compasses to make a hole in the card.
You can see that the circle around the stamp was done with a pair of compasses.
She borrowed Andrew's compasses and drew a circle.
See also: compass (MEASURING DEVICE)