confab
noun /ˈkɒnfæb/
  /ˈkɑːnfæb/
(informal)- an informal private discussion or conversation私人谈话;闲谈 - We called a family confab.我们召集了一次家庭会议。 
 
- We called a family confab.
- (North American English) a meeting or conference of the members of a profession or group(行业或团体)会议 - the annual movie confab in Cannes在戛纳举行的电影年会 
 
- the annual movie confab in Cannes
词源early 18th cent.: abbreviation of confabulation, from Latin confabulat- ‘chatted together’, from the verb confabulari, from con- ‘together’ + fabulari (from fabula ‘fable’).