A submarine sandwich is a long sandwich made with a long roll of bread that is sliced open. It got this name because its shape resembles a submarine or a long boat. Full definition
Another performance presented at the former hunting residency of Kaiser Wilhelm II entailed holding a rifle and an oversized submarine sandwich for two hours within a site - specific installation of dated communist memorabilia and furniture. (smackmellon.org)
When I'm looking for an easy takeout meal I usually slip by Super Submarine Sandwich Shop. (boracaycompass.com)
My dad used to make a huge pot of homemade soup along with submarine sandwiches on fresh - baked bread every Saturday, and... (oatmealwithafork.com)