radius
noun
[ ˈreɪdɪəs ]
• a straight line from the centre to the circumference of a circle or sphere.
• the thicker and shorter of the two bones in the human forearm.
• a radially symmetric feature in an echinoderm or coelenterate, e.g. an arm of a starfish.
radius
verb
• give a rounded form to (a corner or edge).
• "Brian carefully radiused all the sharp edges and corners"
Origin:
late 16th century (in radius (sense 2 of the noun)): from Latin, literally ‘staff, spoke, ray’.
