radius

Noun

• support consisting of a radial member of a wheel joining the hub to the rim

• the outer and slightly shorter of the two bones of the human forearm

• a circular region whose area is indicated by the length of its radius
  • they located it within a radius of 2 miles
    

• a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

• the length of a line segment between the center and circumference of a circle or sphere

Related words

• Synonyms: 
  spoke , wheel spoke , r