Abattoir

You may be looking for the Slaughterhouse, on Gallifrey.

An abattoir, also known as a slaughterhouse, was a facility where animals were killed and their flesh treated and processed into meat.

Animals had to be dragged to the abattoir due to their ability to scent danger. (TV: The Two Doctors)

Miss Kizlet compared the Great Intelligence to a farmer loving and caring for a flock of cattle, stating that "the abattoir is not a contradiction". (TV: The Bells of Saint John)

A Mire who had posed as the god Odin to trick Vikings with promises of Valhalla, then killed and fed off them, claimed that a god was but the cattle's name for farmer, and that Heaven was but the door of the abattoir. (TV: The Girl Who Died)

When Clara Oswald called Mancini's Family Restaurant (where the Half-Face Man and his Clockwork Droids had killed many people for their organs) a slaughterhouse, the Twelfth Doctor replied that it was no different than any other restaurant. (TV: Deep Breath)

Harries & Harries ran an abattoir in Caerwent in which flesh from the Cash Cow was treated and processed. (TV: Meat)

Dekker speculated that the room built for the 456 in Thames House might be a slaughterhouse. (TV: Children of Earth: Day Two)

Rex Matheson called the San Pedro Overflow Camp a slaughterhouse after witnessing category one patients being burned alive in the modules. (TV: The Middle Men)