D defs.my
Entry 2 senses Webster, 1913

Engrailment

· En·grail·ment · IPA
01 n. The ring of dots round the edge of a medal, etc.
  1. 1.
    The ring of dots round the edge of a medal, etc.
  2. 2.
    Indentation in curved lines, as of a line of division or the edge of an ordinary.(Her.)