v. re·cip·ro·cat·ed, re·cip·ro·cat·ing, re·cip·ro·cates
1. To give or take mutually; interchange: The friends reciprocated favors.
2. To show, feel, or give in response or return: They opened their hearts to her, and she reciprocated their affection.
1. To give and take something mutually.
2. To make a return for something given or done.
3. To move back and forth alternately: a power saw that reciprocates.
[Latin reciprocāre, reciprocāt-, to move back and forth, from reciprocus, alternating; see RECIPROCAL.]
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.