Heterosexual: of, pertaining to, or being a heterosexual person.
A heterosexual person.
Sexually and/or romantically attracted to members of the same sex, such as a man who is attracted to men or a woman who is attracted to women; gay. (Typically used in the sense of sole/exclusive attraction.)
Between two people of the same sex; gay.
A person who is sexually attracted solely or primarily to others of the same sex.