What does "italian sandwich" mean?

A type of submarine sandwich consisting of French bread sliced lengthwise, filled with salami or ham with cheese and onion.

What is a synonym for "italian sandwich"?

Common synonyms include: bomber, cuban sandwich, grinder, hero, hero sandwich, hoagie.

noun

noun ·Rare ·Advanced level

Noun

1
A type of submarine sandwich consisting of French bread sliced lengthwise, filled with salami or ham with cheese and onion. US
2
a large sandwich made of a long crusty roll 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 United States wordnet

The sandwich was invented in Portland, Maine, in 1903 by Giovanni Amato, an Italian baker.