WordWeb Online

1. A channel for communication between groups
   "he provided a liaison with the guerrillas";
   - link, contact, inter-group communication
    
2. A usually secretive or illicit sexual relationship
   - affair, affaire, intimacy, involvement, amour
    
3. (linguistics) a sandhi in which a normally silent final consonant is pronounced when the next word begins with a vowel

Derived forms: liaisons

Type of: channel, communication channel, line, sexual relationship

Encyclopedia: Liaison