noun A style of facial hair which has both a mustache and a goatee but with all cheek hair shaven, popular in Europe in the 17th century.
noun A style of dress or collar similar to those in Anthony van Dyck's portrait paintings; a small round cape, the border ornamented with points and indentations.
verb To fit or furnish with a vandyke; to form with points or scallops like a vandyke.