"What sex is that hamster?"
°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."
°To determine the sex of; often in reference to newly-hatched
chicks.
"It is not easy to sex a hyena."
°(colloquial) To have sex with.
"The passionate lovers sexed each other every night."