Her. [a. F. fer de moulin ‘iron of a mill.’] (See quots.)
1741. Chambers, Cycl., Fer de Moulin … is a bearing in heraldry; supposed to represent the iron-ink, or ink of a mill, which sustains the moving mill-stone.
1864. Boutell, Heraldry Hist. & Pop., xvii. § 2. 270. A mill-stone arg., pecked sa., the inner circle and the rim of the second, the fer-de-moline or.
