escutcheon

Short definition from Wiktionary

Noun

1. 1
   The shield on which a coat of arms is displayed, or, by extension, the coat of arms itself.
2. 2
   A small shield used to charge a larger one.
3. 3
   The pattern of distribution of hair upon the pubic mound.
4. 4
   A marking upon the back of a cow's udder and the space above it (the perineum), formed by the hair growing upward or outward instead of downward. It was once taken as an index of milking qualities.
5. 5
   The part of a ship's stern where its name is displayed.
6. 6
   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.
7. 7
   The insignia around a doorknob's exterior hardware or a door lock's cosmetic plate.
8. 8
   The depression behind the beak of certain bivalves; the ligamental area.