engrail

Verb (transitive)

en=grail

CIDE DICTIONARY

engrail, v. t. [F. engrêler; pref. en- (L. in) + grêle hail. See Grail gravel.].

To variegate or spot, as with hail. [1913 Webster]
"A caldron new engrailed with twenty hues." [1913 Webster]
To indent with small curves. See Engrailed. [1913 Webster]

engrail, v. i.

To form an edging or border; to run in curved or indented lines. Parnell. [1913 Webster]

engrail, v.tr. (usu. as engrailed adj.) esp. Heraldry indent the edge of; give a serrated appearance to.

Etymology

ME f. OF engresler (as EN-(1), gresle hail)