Webster’s Revised Unabridged Dictionary · 1913
Engrail
En·grail′ (ĕn·grāl′), v. t. [imp. & p. p. Engrailed; p. pr. & vb. n. Engrailing.] [F. engrêler; pref. en- (L. in) + grêle hail. See Grail gravel.] 1. To variegate or spot, as with hail.
A caldron new engrailed with twenty hues. Chapman.
2. (Her.) To indent with small curves. See Engrailed.
En·grail′, v. i. To form an edging or border; to run in curved or indented lines. Parnell.