/ ˈkɒnfæb; NAmE ˈkɑːn-/ noun ( informal )
1.
an informal private discussion or conversation
2.
( NAmE ) a meeting or conference of the members of a profession or group :
the annual movie confab in Cannes
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WORD ORIGIN
early 18th cent.: abbreviation of confabulation , from Latin confabulat- chatted together, from the verb confabulari , from con- together + fabulari (from fabula fable).