What is the meaning of the word "cable's length"?

Definitions:

  1. A nautical unit of depth. copy to clipboard NOUN
    • To avoid collisions, the fleet maintained a safe distance of three cable's lengths between each vessel. copy to clipboard
  2. A nautical unit of measure named after the length of a ship's anchor cable in the Age of Sail. copy to clipboard NOUN
    • The diving team explored an area approximately one cable's length from the sunken ship. copy to clipboard
  3. Refers to a specific nautical unit of measurement used to describe distance at sea, traditionally defined as one-tenth of a nautical mile. copy to clipboard NOUN
    • The lighthose could be seen from a cable's length away, guiding the ships safely to port. copy to clipboard

Synonyms: