(noun)
the properties that distinguish organisms on the basis of their reproductive roles
she didn't want to know the sex of the foetus
(noun)
activities associated with sexual intercourse
they had sex in the back seat
(noun)
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
(verb)
stimulate sexually
(noun)
either of the two categories (male or female) into which most organisms are divided
the war between the sexes
(verb)
tell the sex (of young chickens)