1. A military unit of ground troops consisting of at least two battalions, usually commanded by a colonel.
2. A large group of people.
tr.v. (rĕjə-mĕnt′) reg·i·ment·ed, reg·i·ment·ing, reg·i·ments
1. To form (troops) into a regiment or regiments.
2. To put (things) into systematic order.
3. To subject (people) to strict control and rigid order.
[Middle English, government, rule, from Old French, from Late Latin regimentum, rule, from Latin regere, to rule; see reg- in the Appendix of Indo-European roots.]
reg′i·mental (-mĕntl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.