sub
noun/sʌb/
/sʌb/
(informal)- a submarine (= a ship that can travel underwater)
- (also submarine sandwich, hero)(North American English) a long bread roll split open along its length and filled with various types of food
- a substitute who replaces another player in a team
- He came on as sub.
- (British English) a subscription (= money that you pay regularly when you are a member of a club, etc.)
- (North American English) a substitute teacher
- (British English) a subeditor
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sub