Definition

Noun: A physical wire or cable used to transmit telegraph and telephone signals over a distance.

Usage

A "telegraph line" refers specifically to the physical infrastructure—the wire or cable strung on poles or buried underground—that forms a circuit for sending electrical communication signals. It is the medium through which telegraph messages (and later, telephone calls) were conveyed.

Examples

Advanced Usage

• "to lay/string a telegraph line": To install the physical wire or cable.
  • The company was contracted to string a telegraph line along the new railway route.
• "telegraph line outage/failure": A disruption in service due to a break or fault in the line.
  • Communication was lost due to a telegraph line failure caused by heavy ice.

Variants and Related Words

• Telegraph wire: A more general synonym, often used interchangeably with "telegraph line."
• Telephone line: A wire used for telephone signals; this term largely replaced "telegraph line" as technology evolved, though the physical infrastructure was often shared or similar.
• Landline: A fixed-line telephone connection using physical wires, a modern descendant of the telegraph line concept.
• Telegraph pole / telephone pole: The pole used to support the wires of a telegraph or telephone line.

Synonyms

• Telegraph wire
• Communication line
• Wire (in historical/telegraphic context)

Related Phrases

• Down the line: This idiom, meaning "in the future" or "at a later point," originates from the idea of signals being sent along a telegraph or telephone line.
  • We can make those changes down the line if necessary.
• Hold the line: An idiom meaning to wait, especially on the telephone, which derives from maintaining a connection on a telephone line. It is conceptually related to the physical line.
  • Please hold the line while I transfer your call.

Noun

1. the wire that carries telegraph and telephone signals