Learn how to say Roundtable correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Round Table:
1the table at which King Arthur and his knights sat so that none should have precedence.
2an international charitable association which holds discussions and undertakes community service, open to men between the ages of 18 and 45, typically from business and professional groups.
3 (usually as modifier round table) an assembly for discussion, especially at a conference: