Brog \Brog\ (br[o^]g), n. [Gael. Cf. {Brob}.] A pointed instrument, as a joiner's awl, a brad awl, a needle, or a small sharp stick. [1913 Webster]
Brog \Brog\, v. t. To prod with a pointed instrument, as a lance; also, to broggle. [Scot. & Prov.] --Sir W. Scott. [1913 Webster]