the lower deck of a ship, where the cargo is stored above the closed hold. In the late 19th and early 20th century, steamship steerage decks were used to provide the lowest cost and lowest class of travel, such as for European immigrants to North America and Chinese emigrants. With limited privacy and security, inadequate sanitary conditions, and poor food, steerage was often decried as inhumane, and was eventually replaced on ocean liners with "third class" cabins.
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Jeff: They're just things. We can replace everything.
Susie: I don't know. There's things we can't replace, like my grandmother's brooch ... that she brought over from Russia.
Jeff: Did he take it?
Susie: I don't know. I'm gonna check that right now. She brought it over from Russia, from a pogrom. She was in steerage. If that's gone, I'm gonna be hysterical.
HBO. Curb Your Enthusiasm. The Wire (2000)
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He gathered together all his small savings, and made his journey in the cheapest possible way,—in the steerage of the vessel, and in third-class carriages,—