- regiment [rej′ə mənt; ] for v. [, rej′əment΄]n.[ME < MFr < LL regimentum < L regere, to rule: see RIGHT]1. a military unit consisting of two or more battalions and forming a basic element of a division: since 1963 no longer a tactical unit in the U.S. Army2. a large number (of persons, etc.)3. Obs. rule; governmentvt.1. to form into a regiment or regiments2. to assign to a regiment or group3. to form into an organized or uniform group or groups; organize systematically4. to organize in a rigid system under strict discipline and controlregimentaladj.regimentallyadv.regimentationn.
English World dictionary. V. Neufeldt. 2014.