townhouse (tall rowhouse) / mansion

reform school, reformatory, borstal; house of correction

townhouse (a house in an urban setting) / rowhouse (one of a row of houses situated side by side and sharing a common wall)

production company

brothel

(informal, simile) ludicrously obvious, self-evident, plain as the nose on one's face, plain for all to see

feminine singular of gros comme une maison

for free, on the house

An unorganized territory in Antoine-Labelle, Laurentides, Quebec, Canada.

(figuratively) to put one's foot in one's mouth, to be like a bull in a china shop, to hit the wrong note (to broach a sensitive topic in an inappropriate setting, where that topic is taboo; to be completely tactless)