Definitions for sub

Overview of noun sub

The noun sub has 2 senses? (no senses from tagged texts)

1. bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep

(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)

2. submarine, pigboat, sub, U-boat

(a submersible warship usually armed with torpedoes)

Overview of verb sub

The verb sub has 1 senses? (first 1 from tagged texts)

1. (1) substitute, sub, stand in, fill in

(be a substitute; "The young teacher had to substitute for the sick colleague"; "The skim milk substitutes for cream