Akademik

(nautical) plumb line for determining depth

1.

a. : sounding line

b. usually leadline : the lower line of a gillnet having lead or other weights at intervals to keep the bottom of the net submerged — compare corkline

2. : a dark line along the gums due to deposition of lead sulfide (as in chronic exposure to lead compounds or fumes)

1. : a wire rope with an eye at each end used to anchor the snatch block in setting a lead in logging

2. : a line for leading a horse usually for excercise

/led/, Naut.

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.

[1475-85]

lead line «lehd»,

Nautical. a sounding line.