Obs. exc. dial. [Derivation unknown.] A large nail.
[1371. Rogers, Agric. & Prices (1866), I. xx. 500. York gives two unique names brags and scot-nails under the year 1371.]
c. 1440. York Myst., xxxiv. 95. Here are bragges þat will noght faile.
1702. Thoresby, in Phil. Trans., XXV. 1864. Brags, or great Iron Nails.