sub has definitions from the fields of nautical,military,transportation,food
1
[ verb ] be a substitute

Examples

"The young teacher had to substitute for the sick colleague" "The skim milk substitutes for cream--we are on a strict diet"

Used in print

(Rocky Mountains News, [Denver, Colorado],...)

Hector_Lopez , subbing for Berra , smashed a 3 - run homer off Bill_Henry during another 5 - run explosion in the fourth .

2
[ noun ] (food) 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

Related terms

sandwich

3
[ noun ] (nautical,military,transportation) a submersible warship usually armed with torpedoes
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