[SUB- 6. Cf. F. sous-brigadier.] Formerly, an officer in the Horse Guards with the rank of a cornet.
1684. E. Chamberlayne, Angl. Notitia (ed. 15), I. 200. Sub-Corporals, or Sub-Brigadiers.
1738. Gentl. Mag., VIII. 109/2. Mr Rastall,Eldest Sub-brigadier of the first Troop of Horse-guards, in room of Capt. Prew decd.
1802. James, Milit. Dict.,
1852. Burn, Naval & Milit. Dict. (1863), Sub-brigadier, (second corporal of cavalry).