submarine

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a submersible warship usually armed with torpedoes
  2. noun 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
  3. verb move forward or under in a sliding motion

Etymology

From sub- + marine.

In classic literature

Synonyms

pigboat, sub, U-boat

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