sex Meaning, Definition & Usage

  1. noun activities associated with sexual intercourse
    sexual activity; sex activity; sexual practice.
    • they had sex in the back seat
  2. noun either of the two categories (male or female) into which most organisms are divided
    • the war between the sexes
  3. noun all of the feelings resulting from the urge to gratify sexual impulses
    sexual urge.
    • he wanted a better sex life
    • the film contained no sex or violence
  4. noun the properties that distinguish organisms on the basis of their reproductive roles
    gender; sexuality.
    • she didn't want to know the sex of the foetus
  5. verb stimulate sexually
    turn on; arouse; excite; wind up.
    • This movie usually arouses the male audience
  6. verb tell the sex (of young chickens)

WordNet

Sex noun
Etymology
L. sexus: cf. F. sexe.
Definitions
  1. 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.
  2. One of the two divisions of organic beings formed on the distinction of male and female.
  3. (Bot.) (a) The capability in plants of fertilizing or of being fertilized; as, staminate and pistillate flowers are of opposite sexes. (b) One of the groups founded on this distinction.

Webster 1913