Wiktionary
touchmark
alt. 1 (context archaic English) The manufacturer's official identifying sign, impressed into a pewter object.''Oxford English Dictionary'', 2nd ed., 1989. 2 (context archaic rare English) A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument. n. 1 (context archaic English) The manufacturer's official identifying sign, impressed into a pewter object.''Oxford English Dictionary'', 2nd ed., 1989. 2 (context archaic rare English) A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument.