sym ‧ po ‧ si ‧ um /sɪmˈpəʊziəm $ -ˈpoʊ-/ BrE AmE noun ( plural symposiums or symposia /-ziə/) [countable]
[ Date: 1500-1600 ; Language: Latin ; Origin: Greek symposion , from sympinein 'to drink together' , from syn- ( ⇨ ↑ syn- ) + pinein 'to drink' ]
1 . a formal meeting in which people who know a lot about a particular subject have discussions about it ⇨ conference
symposium on
a symposium on women’s health
2 . a group of articles on a particular subject collected together in a book