1. Relating to, involving, or characteristic of sex or sexuality, or the sex organs and their functions: sexual partners; sexual fantasies; sexual dysfunction.
2. Relating to the sexes or to gender: sexual politics.
a. Relating to, involving, or being reproduction characterized by the union of male and female gametes.
b. Able to reproduce in this way; fertile.
[Late Latin sexuālis, from Latin sexus, sex.]
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.