CONVENTIONEER
Meaning of CONVENTIONEER in English
con ‧ ven ‧ tion ‧ eer /kənˌvenʃəˈnɪə $ -ˈnɪr/ BrE AmE noun [countable] especially American English written
someone who attends a convention
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012