Definition of "submarine sandwich" []

• A sandwich made on a long roll split lengthwise (noun)

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• "After a while I called Roz and told her I was eating a very good submarine sandwich in the Tip O’Neill building and that I’d grown fond of the building and I didn’t want to leave it and fly to Switzerland and give a master class on being a poet or be in a panel discussion on the meters of love, because I had nothing to tell them."