bisexual Meaning, Definition & Usage

  1. noun a person who is sexually attracted to both sexes
    bisexual person.
  2. adjective sexually attracted to both sexes
  3. adjective satellite having an ambiguous sexual identity
    epicene.

WordNet

Bi*sex"u*al adjective
Etymology
Pref. bi- + sexual.
Definitions
  1. (Biol.) Of both sexes; hermaphrodite; as a flower with stamens and pistil, or an animal having ovaries and testes.

Webster 1913