colloquium
noun /kəˈləʊkwiəm/
  /kəˈləʊkwiəm/
 (plural colloquia 
 /kəˈləʊkwiə/
  /kəˈləʊkwiə/
)- a formal academic seminar or conferenceTopics Educationc2Word Originlate 16th cent. (denoting a conversation): from Latin, from colloqui ‘to converse’, from col- ‘together’ + loqui ‘to talk’.