Noun

• S: (n) sexual activity, sexual practice, sex, sex activity (activities associated with sexual intercourse) "they had sex in the back seat"
• S: (n) sex (either of the two categories (male or female) into which most organisms are divided) "the war between the sexes"
• S: (n) sex, 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"
• S: (n) sex, gender, sexuality (the properties that distinguish organisms on the basis of their reproductive roles) "she didn't want to know the sex of the foetus"

Verb

• S: (v) arouse, sex, excite, turn on, wind up (stimulate sexually) "This movie usually arouses the male audience"
• S: (v) sex (tell the sex (of young chickens))