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The Collaborative International Dictionary
Plummet line

Plummet \Plum"met\, n. [OE. plommet, OF. plommet, fr. plom, plum, lead, F. plomb. See Plumb.]

  1. A piece of lead attached to a line, used in sounding the depth of water.

    I'll sink him deeper than e'er plummet sounded.
    --Shak.

  2. A plumb bob or a plumb line. See under Plumb, n.

  3. Hence, any weight.

  4. A piece of lead formerly used by school children to rule paper for writing.

    Plummet line, a line with a plummet; a sounding line.

Usage examples of "plummet line".

Here we found Nature proceeding geometrically, and working quite after a human fashion, as if she had employed the plummet line, the compass, and the rule.

Here we found Nature proceeding geometrically, and working quite after a human fashion, as if she had employed the plummet line, the compass and the rule.