(~s)
Frequency: The word is one of the 3000 most common words in English.
1.
Membership of an organization is the state of being a member of it.
The country has also been granted ~ of the World Trade Organisation...
He sent me a ~ form...
N-UNCOUNT: also N in pl
2.
The ~ of an organization is the people who belong to it, or the number of people who belong to it.
The European Builders Confederation has a ~ of over 350,000 building companies.
...the recent fall in party ~.
N-VAR-COLL