Touchmark

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The manufacturer's official identifying sign, impressed into a pewter object. archaic

    "For quality control, Parliament in 1503 required all London-made pewter to be stamped with the maker's symbol or touchmark."

  2. 2
    A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument. archaic, rare

    "The instrument used was a refracting telescope by Dollond. . . . The cap containing the diaphragm was furnished with a touch-mark consisting of a projecting spoke. When in adjustment as described above this mark was parallel to the short side of the parallelogram."

Example

More examples

"For quality control, Parliament in 1503 required all London-made pewter to be stamped with the maker's symbol or touchmark."

Etymology

From touch + mark.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.