Definition: activities associated with sexual intercourse; "they had sex in the back seat"
Definition: either of the two categories (male or female) into which most organisms are divided; "the war between the sexes"
Definition: 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"
Definition: the properties that distinguish organisms on the basis of their reproductive roles; "she didn't want to know the sex of the foetus"
Definition: A category into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species.
Definition: Alternative form of sect.