Liaison

Liaison

Noun · /liˈeɪ.zɒn/ or /ˈliː.ə.zɒn/

Definition

Communication and cooperation between people or groups, especially to coordinate activities; a person who acts as a link between parties; (in cooking) a binding ingredient such as egg yolk or cream that thickens a sauce; a secret romantic or sexual relationship.

Origin

From French liaison (a linking, a binding), from lier (to bind), from Latin ligare (to bind). The same root as liable and ligament. The word entered English in the 17th century in the military coordination sense; the romantic sense developed in the 18th century.