Female calf born twin to a male.

Infertile female bovine resulting from hormonal influence.

A term used in cattle breeding contexts.

Slang for a woman with masculine traits or behavior.

**Freemartin (anatomical)**: Sterile female cattle with male twin origin.

**Freemartin (biological)**: Intersex condition affecting reproductive development in animals.

**Freemartin (genetic)**: Genetic chimerism resulting from shared placental circulation.