v. e·jac·u·lat·ed, e·jac·u·lat·ing, e·jac·u·lates
1. To eject or discharge abruptly, especially to discharge (semen) in orgasm.
2. To utter suddenly and passionately; exclaim.
To eject a body fluid, especially semen.
The fluid discharged in an ejaculation, especially semen.
[Latin ēiaculārī, ēiaculāt- : ē-, ex-, ex- + iaculārī, to throw (from iaculum, dart; see yē- in the Appendix of Indo-European roots).]
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.