It's a submarine sandwich, named for the shape of the bread:
Any fillings you put on it, still a sub sandwich—as distinct from a Kaiser roll or rye bread or white toast sandwich.
Turkey sub, meatball sub, tuna sub, etc.
What the hell is a “sub”?
It's a submarine sandwich, named for the shape of the bread:
Any fillings you put on it, still a sub sandwich—as distinct from a Kaiser roll or rye bread or white toast sandwich.
Turkey sub, meatball sub, tuna sub, etc.