sex🔊

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.

Another category, especially of humans and especially based on sexuality or gender roles.

The members of such a category, taken collectively.

The distinction and relation between these categories, especially in humans; gender.

(obsolete or literary) Women; the human female gender and those who belong to it.

Sexual activity, usually sexual intercourse.

(euphemistic or slang) Genitalia: a penis or vagina/vulva.

(zoology) To determine the sex of (an animal).

(chiefly US, colloquial) To have sex with.

(chiefly US, colloquial) To have sex.