Leadline

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A leash or strap for leading an animal.
  2. 2
    A sounding line; an instrument used in navigation to measure water depth.

    "Approximately 60% of inshore hydrography was acquired by leadline (pre-1940) sounding technology."

  3. 3
    A weighted line for holding down the lower edge of a gillnet.

    "To attach the bridles, start measuring from the point on the gavel 16 metres from the floatline wheree you have seized the end of the leadline."

Example

More examples

"Approximately 60% of inshore hydrography was acquired by leadline (pre-1940) sounding technology."

Etymology

Etymology 1

From lead (verb) + line.

Etymology 2

From lead (noun) + line (after the metal); the attached plummet is usually made from lead.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.