A strong, large-diameter, heavy steel or fiber rope. Something that resembles such steel or fiber rope. Electricity A bound or sheathed group of mutually insulated conductors. Nautical A heavy rope or chain for mooring or anchoring a ship. Nautical A cable length. A cablegram. Cable television. To send a cablegram to. To transmit (a message) by telegraph. To supply or fasten with a cable or cables. To send a cablegram.