Enter a clue or pattern or both:
The Clue
Central knob of a shield (4 letter answer)
The Answer
UMBO
Tags
Notes
The answer UMBO is rarely seen, appearing only about once every 2100 puzzles.
Related Clues
Boss on a shield
Escutcheon boss
Shield knob
Spiked shield boss
Definition
UMBO as a noun:
1. a slight rounded elevation where the malleus attaches to the eardrum