1. Pompous and bombastic: orotund talk.
2. Full in sound; sonorous: orotund tones.
[From alteration of Latin ōre rotundō, with a round mouth : ōre, ablative of ōs, mouth; see ōs- in the Appendix of Indo-European roots + rotundō, ablative of rotundus, round; see ROTUND.]
o′ro·tundi·ty (ôr′ə-tŭndĭ-tē) n.
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.