leadline
nounEtymology From lead (noun) + line (after the metal); the attached plummet is usually made from lead.
1
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.2004, 2004 Atlantic Boating Almanac: Gulf of Mexico, →ISBN:
2
Fishing, Hobbies, Lifestyle 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.1987, M. Ben-Yami, Purse-seining with Small Boats, →ISBN, page 46:
- The hold was empty, without a net, corkline, leadline or buoy to be found.1993, Dana Stabenow, A Fatal Thaw, →ISBN, page 103:
1 more example
- Generally, there will be equal selvedges to the floatline and leadline.1987, Ludvik Karlsen, Bjorn A. Bjarnason, Small-scale Fishing with Driftnets, →ISBN, page 33:
3
Medicine, Sciences Alternative Alternative form of lead line, a symptom of lead poisoning.