Noun
A plant coif or skullcap. Same as Calotte.
A close cap without visor or brim.
Such a cap, worn by English serjeants at law.
Such a cap, worn by the French cavalry under their helmets.
Such a cap, worn by the clergy of the Roman Catholic Church.
Source: Webster's dictionaryNow etchers could do the highly detailed work that was previously the monopoly of engravers, and Callot made full use of the new possibilities. Source: Internet
Callot also made more extensive and sophisticated use of multiple "stoppings-out" than previous etchers had done. Source: Internet