escutcheon

English [edit]

From Anglo-Norman escuchon, ultimately from Latin scutum (“shield”).

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Escutcheon

Wikipedia escutcheon (plural escutcheons)

(heraldry) An individual or corporate coat of arms.
- 1922, Michael Arlen, chapter 1/5/1, “Piracy”: A Romantic Chronicle of These Days^[1]:
  
  And in the meanwhile, Society shivered a little feverishly, filled now with the scions of those who had come over with the Jewish and American Conquests. Escutcheons were becoming valueless, how sinister soever the blots and clots upon them.
A decorative and/or protective plate or bezel to fill the gap between a switch, pipe, valve, control knob, etc., and the surface from which it protrudes.
The insignia around a doorknob's exterior hardware or a door lock's cosmetic plate.

coat of arms

plate or bezel to fill the gap around a protruberance