free-martin defined in 1951 yearfree-martin - free-martin;
free-martin - Female member of unlike-sexed twins in cattle and occasionally in other ungulates. Sterile, and partially converted towards hermaphrodite condition by some influence (probably hormonal) of its twin brother, which reaches the free-martin because placental circulations fuse.
near free-martin in Knolik
definition of word "free-martin" was readed 1480 times