From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.
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[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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.
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But what are kings, when regiment is gone,
But perfect shadows in a sunshine day? --Marlowe.
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The law of nature doth now require of necessity some
kind of regiment. --Hocker.
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2. A region or district governed. [Obs.] --Spenser.
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3. (Mil.) A body of men, either horse, foot, or artillery,
commanded by a colonel, and consisting of a number of
companies, usually ten.
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Note: In the British army all the artillery are included in
one regiment, which (reversing the usual practice) is
divided into brigades.
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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.]
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From WordNet (r) 3.0 (2006) [wn]:
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"