submarine
Pronunciation
Noun
A1 Beginner
Quick answer
A ship that can travel both on the surface and underwater.
Usage notes
In American English, a submarine sandwich (or "sub") is a long filled sandwich, an unrelated meaning.
Test yourself
Which word fits the gap? "The _____ dived beneath the waves to avoid being seen."
Answer: submarine
In your own words, what does "submarine" mean?
A ship that can travel both on the surface and underwater.
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