- (n.) The distinguishing peculiarity of male or female in both animals and plants; the physical difference between male and female; the assemblage of properties or qualities by which male is distinguished from female.
- (n.) One of the two divisions of organic beings formed on the distinction of male and female.
- (n.) The capability in plants of fertilizing or of being fertilized; as, staminate and pistillate flowers are of opposite sexes.
- (n.) One of the groups founded on this distinction.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sex. Retrieved September 25, 2026, from http://smartdefine.org/sex/definitions/2060907 |
| Chicago | Webster's. 2011. "sex" http://smartdefine.org/sex/definitions/2060907 (accessed September 25, 2026). |
| Harvard | Webster's 2011, sex, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/sex/definitions/2060907>. |
| MLA | Webster's. "sex" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/sex/definitions/2060907> |