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Alternative forms[edit]

Etymology 1[edit]

lead +‎ line (verb "to lead")


leadline (plural leadlines)

  1. A leash or strap for leading an animal.

Etymology 2[edit]

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


leadline (plural leadlines)

  1. A sounding line; an instrument used in navigation to measure water depth.
    • 2004, 2004 Atlantic Boating Almanac: Gulf of Mexico, →ISBN:
      Approximately 60% of inshore hydrography was acquired by leadline (pre-1940) sounding technology.
  2. (fishing) A weighted line for holding down the lower edge of a gillnet.
    • 1987, M. Ben-Yami, Purse-seining with Small Boats, →ISBN, page 46:
      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.
    • 1993, Dana Stabenow, A Fatal Thaw, →ISBN, page 103:
      The hold was empty, without a net, corkline, leadline or buoy to be found.
    • 1987, Ludvik Karlsen & Bjorn A. Bjarnason, Small-scale Fishing with Driftnets, →ISBN, page 33:
      Generally, there will be equal selvedges to the floatline and leadline.