"To hold a convention" means to organize and host a formal gathering or meeting where people with similar interests or professions come together to discuss and work on certain topics or issues. Full definition
Voters determine whether to hold a convention in a statewide referendum every 20 years. (nystateofpolitics.com)
All political parties hold conventions and all political parties have state committee members. (nystateofpolitics.com)
The poll comes after previous surveys of registered voters have shown support for holding a convention, though it had been on a steady decline. (nystateofpolitics.com)