DuckCorp Dico

Found one definition

1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   radius /ɹˈeɪdɪəs/ <N>
   1. त्रिज्या
         "A radius is half the diameter. "
   2. वृत्ताकार~क्षेत्र
         "The police searched all the corners within a radius of 2km."
   3. बाँह~के~अग्र~भाग~की~बाहरी~हड्डी
         "Radius is the shorter bone in the part of the human forearm.(thumb side)"
   4. जानवरों~में~अग्र~पैर~की~हड्डी
         "Radius is a short bone in the lower part of an animal's leg or a bird's wing"