Definition of "sex" []

• The property or quality by which organisms are classified as female or male on the basis of their reproductive organs and functions. (noun)
• Either of the two divisions, designated female and male, of this classification. (noun)
• Females or males considered as a group. (noun)
• The condition or character of being female or male; the physiological, functional, and psychological differences that distinguish the female and the male. See Usage Note at gender. (noun)
• The sexual urge or instinct as it manifests itself in behavior. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If the immutable character of sex is contested, perhaps this construct called ˜sex™ is as culturally constructed as gender; indeed, perhaps it was always already gender, with the consequence that the distinction between sex and gender turns out to be no distinction at all."
• "Lani say: I don't love sex@ carmically sex is quite cool."
• "The venereal diseases are passed on from one sex to the other in a continuous chain, but the chain can be broken at any time _by either sex_."