'heterosexual' definitions:
Definition of 'heterosexual'
(from WordNet)
adjective
Sexually attracted to members of the opposite sex [ant: bisexual, homosexual]
noun
A heterosexual person; someone having a sexual orientation to persons of the opposite sex [syn: heterosexual, heterosexual person, straight person, straight]
Synonyms of 'heterosexual'
From: Moby Thesaurus