tr.v. flag·el·lat·ed, flag·el·lat·ing, flag·el·lates
1. To whip or flog; scourge.
2. To reproach or punish severely: flagellated himself for being so insensitive.
adj. (also flə-jĕlĭt)
1. or flag·el·la·ted (flăjə-lā′tĭd) Having a flagellum or flagella.
2. Resembling or having the form of a flagellum; whiplike.
3. Relating to or caused by a flagellate organism.
n. (also flə-jĕlĭt)
An organism, such as a euglena, that has one or more flagella.
[Latin flagellāre, flagellāt-, to whip, from flagellum, diminutive of flagrum, whip.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.