sur·ro·gate (sûrə-gĭt, -gāt′, sŭr-)
1. One that takes the place of another; a substitute.
a. A person or animal that functions as a substitute for another, as in a social or family role.
b. A surrogate mother.
3. In Freudian psychology, a figure of authority who takes the place of the father or mother in a person's unconscious or emotional life.
4. Law A judge in New York and some other states having jurisdiction over the probate of wills and the settlement of estates.
tr.v. (-gāt′) sur·ro·gat·ed, sur·ro·gat·ing, sur·ro·gates
1. To put in the place of another, especially as a successor; replace.
2. To appoint (another) as a replacement for oneself.
[Middle English, from Latin surrogātus, past participle of surrogāre, to substitute, variant of subrogāre; see SUBROGATE.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.