DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   coaxial cable
   coax
      <hardware> A kind of cable with a solid central conductor
      surrounded by insulator, in turn surrounded by a cylindrical
      shield woven from fine wires.  It is used to carry high
      frequency signals such as video or radio.  The shield is
      usually connected to electrical ground to reduce electrical
      interference.
      (1995-03-28)