Liaison

Noun

 * 1) Communication between two parties or groups.
 * 2) Co-operation, working together.
 * 3) A relayer of information between two forces in an army or during war.
 * 4) A tryst, romantic meeting.
 * 5)  An illicit sexual relationship or affair.
 * 6)  A sandhi in which a normally silent final consonant is pronounced when the next word begins with a vowel.

Related terms

 * liaise
 * ligation

Thesaurus
accord, addition, adjunct, adulterous affair, adultery, affair, affairs, affiliation, affinity, agent, agglomeration, agglutination, aggregation, alliance, amor, amour, approximation, articulation, assemblage, association, bond, bracketing, broker, closeness, clustering, combination, communication, concatenation, concourse, concurrence, confluence, congeries, conglomeration, conjugation, conjunction, connectedness, connection, contact, contiguity, contrariety, convergence, copulation, coupling, cuckoldry, dealings, deduction, disjunction, distributor, entanglement, eternal triangle, filiation, flirtation, forbidden love, gathering, go-between, hanky-panky, homology, hookup, illicit love, infidelity, intercommunication, intercourse, interlinking, intermediary, intermedium, intimacy, intrigue, jobber, joinder, joining, jointure, junction, knotting, link, linkage, linking, love affair, marriage, mediary, mediator, medium, meeting, merger, merging, middleman, mutual attraction, nearness, pairing, propinquity, proximity, rapport, relatedness, relation, relations, relationship, romance, romantic tie, similarity, splice, symbiosis, sympathy, tie, tie-in, tie-up, triangle, unfaithfulness, unification, union, wholesaler, yoking