(~s)
Frequency: The word is one of the 3000 most common words in English.
1.
A ~ is a large container for holding liquid or gas.
...an empty fuel ~...
Two water ~s provide a total capacity of 400 litres.
N-COUNT: oft n N
2.
A ~ is a large military vehicle that is equipped with weapons and moves along on metal tracks that are fitted over the wheels.
N-COUNT
3.
see also septic ~ , think-~