°The distinguishing
property,
quality, or
assemblage of properties by which organisms are classified as female or male on the basis of their reproductive organs and functions; the set of properties by which male is
distinguished from female.
"The effect of the medication is dependent upon age, sex, and other factors."
verb
"It is not easy to sex lizards."
°(colloquial) To have sex with.
"The passionate lovers sexed each other every night."
synonyms:
gender, coitus, sexual intercourse