Definitions
1.nounA category into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species."The effect of the medication is dependent upon age, sex, and other factors."
2.nounAnother category, especially of humans and especially based on sexuality or gender roles.
3.nounThe members of such a category, taken collectively.
4.nounThe distinction and relation between these categories, especially in humans; gender.
5.noun(with "the") Women; the human female sex and those who belong to it.
6.nounSexual activity, usually sexual intercourse unless preceded by a modifier.
7.nounGenitalia: a penis or vagina.
8.verbTo determine the sex of an animal.
9.verbTo have sex with.