pro·tract (prō-trăkt, prə-)
tr.v. pro·tract·ed, pro·tract·ing, pro·tracts
1. To draw out or lengthen in time; prolong: disputants who needlessly protracted the negotiations.
2. Mathematics To draw to scale by means of a scale and protractor; plot.
3. Anatomy To extend or protrude (a body part).
[Latin prōtrahere, prōtract- : prō-, forth; see PRO-1 + trahere, to drag.]
pro·tracted·ly (-trăktĭd-lē) adv.
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.