NOUN (1)

1. army unit smaller than a division;


VERB (3)

1. subject to rigid discipline, order, and systematization;
- Example: "regiment one's children"

2. form (military personnel) into a regiment;

3. assign to a regiment;
- Example: "regiment soldiers"

The Collaborative International Dictionary of English v.0.48:

Regiment \Reg"i*ment\ (-ment), v. t. [imp. & p. p. Regimented;
   p. pr. & vb. n. Regimenting.]
   1. To form into a regiment or into regiments. --Washington.
      [1913 Webster]
      [Webster 1913 Suppl.]

   2. To form into classified units or bodies; to systematize
      according to classes, districts or the like.

            The people are organized or regimented into bodies,
            and special functions are relegated to the several
            units.                                --J. W.
                                                  Powell.
      [Webster 1913 Suppl.]

   3. To organize and manage in a uniform and rigid manner; to
      control with a strict discipline.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Regiment \Reg"i*ment\ (-ment), n. [F. r['e]giment a regiment of
   men, OF. also government, L. regimentum government, fr.
   regere to guide, rule. See Regimen.]
   1. Government; mode of ruling; rule; authority; regimen.
      [Obs.] --Spenser. "Regiment of health." --Bacon.
      [1913 Webster]

            But what are kings, when regiment is gone,
            But perfect shadows in a sunshine day? --Marlowe.
      [1913 Webster]

            The law of nature doth now require of necessity some
            kind of regiment.                     --Hocker.
      [1913 Webster]

   2. A region or district governed. [Obs.] --Spenser.
      [1913 Webster]

   3. (Mil.) A body of men, either horse, foot, or artillery,
      commanded by a colonel, and consisting of a number of
      companies, usually ten.
      [1913 Webster]

   Note: In the British army all the artillery are included in
         one regiment, which (reversing the usual practice) is
         divided into brigades.
         [1913 Webster]

   Regiment of the line (Mil.), a regiment organized for
      general service; -- in distinction from those (as the Life
      Guards) whose duties are usually special. [Eng.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

regiment
    n 1: army unit smaller than a division
    v 1: subject to rigid discipline, order, and systematization;
         "regiment one's children"
    2: form (military personnel) into a regiment
    3: assign to a regiment; "regiment soldiers"

Moby Thesaurus II by Grady Ward, 1.0:

105 Moby Thesaurus words for "regiment":
   KP, age group, align, allocate, allot, apportion, army, army group,
   array, band, battalion, battery, battle group, bevy, body, brigade,
   bunch, cabal, cadre, cast, clique, cohort, collocate, column,
   combat command, combat team, company, complement, compose,
   contingent, control, corps, coterie, covey, crew, crowd, deal,
   deal out, detachment, detail, discipline, dispose, distribute,
   division, faction, field army, field train, file, fix, fleet,
   flying column, gang, garrison, group, grouping, groupment,
   in-group, junta, keep in line, kitchen police, legion, line,
   line up, maniple, marshal, mob, movement, order, organization,
   organize, out-group, outfit, pack, parcel out, party, peer group,
   phalanx, place, platoon, posse, rally, range, rank, regulate,
   salon, section, set, set out, space, squad, squadron, stable,
   standardize, string, systematize, tactical unit, task force, team,
   train, tribe, troop, troupe, unit, whip into shape, wing