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placeholder

[pleys-hohl-der]
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noun
  1. Mathematics, Logic. a symbol in an expression that may be replaced by the name of any element of the set.
  2. a person who holds a government office, especially one appointed to the position in return for political support or favors.
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Origin of placeholder

First recorded in 1550–60; place + holder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for placeholder

Contemporary Examples

Historical Examples

  • Rather than Roman numerals, this appears to be a placeholder to a reference that was not filled in.

    De Re Metallica

    Georgius Agricola