The Collaborative International Dictionary
Plummet \Plum"met\, n. [OE. plommet, OF. plommet, fr. plom, plum, lead, F. plomb. See Plumb.]
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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. A plumb bob or a plumb line. See under Plumb, n.
Hence, any weight.
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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.