Targ pit

In the 22nd century, a targ pit was an area aboard a Klingon starship where targs were kept.

In 2154, Doctor Arik Soong threatened the Augment Malik that he would be locked in their stolen Klingon Bird-of-Prey's targ pit and wouldn't "see the light of day for a month" if he continued to disobey the doctor's instructions. 

Targgrube