RADIUS
WordNet
noun
(1) Support consisting of a radial member of a wheel joining the hub to the rim
(2) The length of a line segment between the center and circumference of a circle or sphere
(3) The outer and slightly shorter of the two bones of the human forearm
(4) A circular region whose area is indicated by the length of its radius
"They located it within a radius of 2 miles"
(5) A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
WiktionaryText
Noun
- The long bone in the forearm, on the side of the thumb.
- The lighter bone (or fused portion of bone) in the forelimb of an animal.
- A line segment between any point on the circumference of a circle and its center/centre.
- The length of this line segment.