a (S) Of two kinds, sorts, natures &c. Hence, mankind (consisting of two sexes): a verb (when transitive and intransitive): a double dealer, dissembler, trimmer &c.
a (S) Of two kinds, sorts, natures &c. Hence, mankind (consisting of two sexes): a verb (when transitive and intransitive): a double dealer, dissembler, trimmer &c.