1. A wireless telegraph or radio apparatus, especially one used for ship-to-shore communication.
Usage: historical; often capitalized when referring to the Marconi Company or its equipment; nautical
2. A type of sailing rig with a fore-and-aft sail configuration.
Usage: nautical; also called Bermuda rig or Bermudian rig

Examples

• The ship's marconi operator sent distress signals across the Atlantic.
• Early marconi equipment revolutionized maritime communication in the early 1900s.
• The yacht was equipped with a modern marconi sail for better performance.
• Before radio became standard, marconi wireless sets were essential on ocean liners.
• The marconi rig allows sailors to sail closer to the wind than traditional square sails.