trocar
/ˈtroʊkɑr/
noun
- A sharp, pointed surgical instrument used to puncture a body cavity and insert a tube for draining fluid or gas.
- The surgeon used a trocar to drain the fluid from the patient's abdomen.
- In veterinary medicine, a trocar is sometimes used to relieve bloat in livestock.
- The medical student practiced inserting a trocar into a training model.