(~s)
Frequency: The word is one of the 3000 most common words in English.
1.
Demonstrators are people who are marching or gathering somewhere to show their opposition to something or their support for something.
I saw the police using tear gas to try and break up a crowd of ~s.
N-COUNT: usu pl
2.
A ~ is a person who shows people how something works or how to do something.
N-COUNT