Tete-a-tete Definition
noun
A face-to-face meeting, or private conversation between two people, usually in an intimate setting; a head-to-head.
Wiktionary
adverb
In private, between two people; head-to-head.
Wiktionary
Origin of Tete-a-tete
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French tête-à-tête (“head-to-head")
From Wiktionary