escutcheon

noun8

1. •
   The shield on which a coat of arms is displayed, or, by extension, the coat of arms itself.
2. •
   A small shield used to charge a larger one.
3. •
   A decorative or protective plate or bezel designed to fill the gap between a switch, pipe, valve, control knob, etc., and the surface from which it protrudes.
4. •
   The insignia around a doorknob's exterior hardware or a door lock's cosmetic plate.
5. •
   The pattern of distribution of hair upon the pubic mound.

   • The hair becomes darker and coarser during pubic hair stage 3, spreading over the pubic symphysis with gradual progression to a full female escutcheon. — 2013
6. •
   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.

   • The milk-mirror, or escutcheon, is formed by the hair above the udder, extending upwards between the thighs, […] — 1867
7. •
   The part of a ship's stern where its name is displayed.
8. •
   The depression behind the beak of certain bivalves; the ligamental area.