ETYMOLOGY: From the Greek, heteros meaning other / different from, + sexual.
1. A person who is sexually and/or romantically attracted to people of the opposite sex. SYNONYMS: het; hetero; breeder (derogatory); commoner (derogatory).
Quote: Boris Grushenko (Woody Allen) in Love and Death (1975): ' Some men are heterosexual, and some men are homosexual, and some men don't think about sex at all. They become lawyers.'