Submarine sandwich

A submarine sandwich (or just submarine where context would exclude the sea vessel, or even just sub) is any of various sandwich?es made on a long roll split lengthwise, especially those including meat, cheese, lettuce, tomato, and various condiments.

In regions of the United States there are many different terms for local variations on the idea: hoagie? (eastern US), grinder (Boston), hero, [Poor boy]? (or "po' boy", southern US), [Cuban sandwich]?, bomber, Italian, wedge, torpedo, zep (New Jersey).