noun
veterinarian
vet-uh-rih-NAIR-ee-un/ˌvetərɪˈneriən/
A doctor trained to treat animals.
The veterinarian listens to the dog's chest with a stethoscope during an examination.

Etymology
Latin veterinarius named a cattle doctor, connecting the profession with the care of large domestic animals. The modern term covers doctors who treat animals more generally.
In context
castration must be performed by a veterinarian do not attempt to castrate a horse on your own castration is a Veterinary surgical procedure that must be performed by a qualified veterinarian
More examples
- We took our kitten to the veterinarian for her first vaccinations.
- The farmer called a veterinarian when his horse stopped eating.
- Two veterinarians treated the injured penguin at the zoo.
Forms
veterinarian · veterinarians
veterinary adjective — relating to medical care for animals