engrail

/IH0 N G R EY1 L/
verb
  1. 1

    (intransitive) To form an edging or border; to run in curved or indented lines.

  2. 2

    (transitive) To make rough.

  3. 3

    (transitive) To variegate or spot, as with hail.

  4. 4

    (transitive, heraldry, archaic) To indent with small curves.