rare–1. Glass-making. [a. Fr. ferret, féret, dim. of fer iron.] See quot.
1662. Merrett, trans. Neri’s Art of Glass, 364. Ferrets are the Irons wherewith they try whether the Metall be fit to work, as also those Irons which make the Ring at the mouth of Glass Bottles.
1753. in Chambers, Suppl. Hence in mod. Dicts.
1874. in Knight, Dict. Mech.
