01 n. a large sandwich on a long crusty roll that is split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and cond…
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a large sandwich on a long crusty roll that is split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the U. S., such as hero, grinder, and submarine. Also: hero, grinder, submarine