Wiktionary
ENGRAIL, verb. To form an edging or border; to run in curved or indented lines.
ENGRAIL, verb. To variegate or spot, as with hail.
ENGRAIL, verb. (heraldry) (archaic) To indent with small curves.
Wise words
The difference between the right word and the almost right
word is the difference between lightning and a lightning
bug.