Definitions:

1. A nautical unit of depth. NOUN
   • The underwater cable spans a distance of several hundred cable lengths to connect the islands.
2. A unit of measurement used in nautical contexts to denote a specific distance, traditionally defined as one-tenth of a nautical mile. NOUN
   • During the naval exercise, the submarines maintained a distance several cable lengths from each other.

Synonyms:

• Fathom
• nautical mile