Entry: oubliette (n.)
In context: "...lit a gasper and apparently smoked it and pout it out all in his sleep, down in bed in his Staff oubliette in the basement."
Definition: A secret dungeon with access only through a trapdoor in its ceiling. Now chiefly in extended use.
Other: Best wishes for a happy and healthy new year to all readers!
SNOOT score: 1
Source: Oxford English Dictionary