submarine sandwich
US /ˈsʌb.mə.riːn ˈsæn.wɪdʒ/
UK /ˈsʌb.mə.riːn ˈsæn.wɪdʒ/
1.
a type of sandwich made from a long roll of bread split lengthwise and filled with various ingredients such as meat, cheese, vegetables, and condiments
:
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I ordered a turkey and provolone submarine sandwich for lunch.
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The deli is famous for its giant submarine sandwiches.