(n.) A message sent by a submarine telegraphic cable.

BX cable Teletype WATS WATS line armored cable battery cable bell wire braid brail cablegram chain co-ax coaxial cable concentric cable cord day letter electric cable electric cord fast telegram flash guy hawser highline hookup wire lead ligament ligation ligature line mooring night letter party line power line private line radio radiogram rope send a wire sign off sign on spun yarn strand string telegram telegraph telegraph cable telegraph line telephone line telex tendon thong three-wire cable transmission line triaxial cable trunk trunk line twine twist underground cable wire wire line yarn