definition of
[sex]

[1] #1 sex n. [sexual activity, sexual practice, sex activity] activities associated with sexual intercourse; "they had sex in the back seat". wn

[2] #2 sex n. either of the two categories (male or female) into which most organisms are divided; "the war between the sexes". wn

[3] #3 sex v. [arouse, excite, turn on, wind up] stimulate sexually; "This movie usually arouses the male audience". wn

[4] #4 sex v. tell the sex (of young chickens). wn

[5] #5 sex n. [sexual urge] all of the feelings resulting from the urge to gratify sexual impulses; "he wanted a better sex life"; "the film contained no sex or violence". wn