n. The character of being either male or female; the anatomical and physiological distinction between male and female, evidenced by the physical character of their generative organs, and the part taken by each in the function of reproduction; gender, with reference to living organisms.n. Either one of the two kinds of beings, male and female, which are distinguished by sex; males or females, collectively considered and contrasted.n. Especially, the female sex; womankind, by way of emphasis: generally with the definite article.n. In botany, the character or structure of plants which corresponds to sex in animals, there being, except in the lowest orders, a clear differentiation of male and female elements.n. the female sex collectively; womankind.To ascertain the sex of (a specimen of natural history); mark or label as male or female.n. An obsolete or dialectal form of six.