lead line

[ led ]
/ lɛd /

noun Nautical.

a line by which a lead is lowered into the water to take soundings: in deep-sea practice, divided into levels one fathom apart, variously treated as marks and deeps.

Origin of lead line

First recorded in 1475–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for lead line

lead line

/ (lɛd) /

noun

nautical a length of line for swinging a lead, marked at various points to indicate multiples of fathoms
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for lead line

lead line

[ lĕd ]

n.

An irregular dark deposit in the gums occurring in lead poisoning.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.