n. A party or division of troops or soldiers, whether cavalry or infantry, regulars or militia, consisting of several regiments, squadrons, or battalions, under the command of a brigadier, or brigadier-general.n. A body of individuals organized, generally wearing a uniform, and acting under authority: as, a fire brigade.To form into a brigade or into brigades: as, regiments of militia are brigaded with regiments of the line.Hence To arrange or embody in a single collection or group; group together, as in zoölogy, under a single name.n. In zoology, a division of no fixed value, used in the sense of ‘cohort,’ as a convenient term for assemblages of animals which may not be included in any of the divisions commonly employed.n. A small squad of engineers or of other technical troops: as, the full sap was executed by a brigade of eight sappers.