from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A line that is a base for measurement or for construction.
  • n. A datum used as the basis for calculation or for comparison.
  • n. A line used as the basis for the alignment of glyphs.
  • n. The line at the farthest ends of the court indicating the boundary of the area of play.
  • n. A configuration of software, hardware, or a process that is established and documented as a point of reference.
  • v. To provide a baseline for measurement.
  • v. To play from the baseline.

from the GNU version of the Collaborative International Dictionary of English

  • n. an imaginary line or standard by which things are measured or compared.
  • n. the back line at each end of a tennis court.
  • n. the lines between bases on a baseball field along which a baseball player must run while running the bases.
  • n. a measurement that represents the value of a physical quantity (such as a voltage, or a level of radioactivity) in the absence of effects from other variables in a measurement, test or experiment; a control value.
  • n. any horizontal line in a plot, graph, or diagram, or on a visual display in an electronic device, used as a reference point to which other values are referred.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the lines a baseball player must follow while running the bases
  • n. an imaginary line or standard by which things are measured or compared
  • n. the back line bounding each end of a tennis or handball court; when serving the server must not step over this line


base +‎ line (Wiktionary)



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  • In shipbuilding, a line on the body plan or sheer plan of a hull, representing a horizontal reference plane for vertical dimensions.

    August 21, 2009