Definitions from Wiktionary ( )

▸ noun:  (countable) A category into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species; the system of such categories, which can differ by organism or by taxonomic branch.
▸ noun:  (countable) Another category, especially of humans and especially based on sexuality or gender roles.
▸ noun:  (countable) The members of such a category, taken collectively.
▸ noun:  (uncountable) The distinction and relation between these categories, especially in humans; gender.
▸ noun:  (obsolete or literary, uncountable, with "the") Women; the human female gender and those who belong to it.
▸ noun:  (uncountable) Sexual activity, usually sexual intercourse unless preceded by a modifier.
▸ noun:  (countable, euphemistic or slang) Genitalia: a penis or vagina/vulva.
▸ verb:  (zoology, transitive) To determine the sex of (an animal).
▸ verb:  (chiefly US, colloquial, transitive) To have sex with.
▸ verb:  (chiefly US, colloquial, intransitive) To have sex.
▸ noun:  (obsolete) Alternative form of sect. [An offshoot of a larger religion or denomination.]

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