from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A line from which a weight is suspended to determine verticality or depth.
- n. A line regarded as directed exactly toward the earth's center of gravity.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cord with a weight attached, used to produce a vertical line.
- n. Any vertical reference line.
from the GNU version of the Collaborative International Dictionary of English
- n. A line directed to the center of gravity of the earth.
from The Century Dictionary and Cyclopedia
- n. A cord or line to one end of which is attached a metal bob or weight, used to determine vertical direction, depth of water, etc.; a plummet.
- To measure, sound, or test by means of a plumb-line.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Sorry, no etymologies found.