What is "bermuda rig"

A Bermuda rig, Bermudian rig, or Marconi rig is a configuration of mast and rigging for a type of sailboat and is the typical configuration for most modern sailboats. This configuration was developed in Bermuda in the 17th century; the term Marconi was a much later reference to the inventor Guglielmo Marconi whose wireless radio masts resembled the wires that stabilize the mast of a Bermuda rigged ship.