Definition that contains perimeter
- side a line segment forming part of the perimeter of a plane figure
- radius a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
- diameter a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
- deadeye (nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
- superpose place (one geometric figure) upon another so that their perimeters coincide