liaison
li.ai.son \'le--*-.za:n, le--'a--\ n [F, fr. MF, fr. lier] often attrib 1a: a close bond or connection : INTERRELATIONSHIP 1b: an illicit sexual relationship : AFFAIR 2: the pronunciation of an otherwise absent consonant sound at the end of t he first of two consecutive words the second of which begins with a vowel sound and follows without pause 3: intercommunication esp. between parts of an armed force