We don't have synonyms for touchmark yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are touchback and techmark.
(n) :
(archaic) The manufacturer's official identifying sign, impressed into a pewter object.
(n) :
(archaic, rare) A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument.
(n) :
(archaic) The manufacturer's official identifying sign, impressed into a pewter object.
(n) :
(archaic, rare) A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument.