Definitions

1. noun

A female calf of certain cattle breeds, especially those of the cattle family Bovidae, born with a set of male reproductive organs and thus sterile.

“The veterinarian explained that the freemartin was unable to reproduce due to its abnormal reproductive system.”

2. noun

A genetically female individual of certain species, especially cattle, that has been masculinized and exhibits male characteristics.

“The freemartin’s behavior and physical characteristics were more typical of a male of its species.”