The New York Stock Exchange started out as a coffee house.
treachery, betrayal, treason, perfidy
(noun) an act of deliberate betrayal
perfidy, perfidiousness, treachery
(noun) betrayal of a trust
Source: WordNet® 3.1
treachery (countable and uncountable, plural treacheries)
Deliberate, often calculated, disregard for trust or faith.
The act of violating the confidence of another, usually for personal gain.
Treason.
• Punic faith
• treacherousness
Source: Wiktionary
Treach"er*y, n. Etym: [OE. trecherïe, trichere, OF. trecherie, tricherie, F. tricherie trickery, from tricher to cheat, to trick, OF. trichier, trechier; probably of Teutonic origin. See Trickery, Trick.]
Definition: Violation of allegiance or of faith and confidence; treasonable or perfidious conduct; perfidy; treason.
Be ware, ye lords, of their treachery. Chaucer. In the council chamber at Edinburgh, he had contracted a deep taint of treachery and corruption. Macaulay.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 June 2025
(noun) an elongated leather strip (or a strip of similar material) for binding things together or holding something in position
The New York Stock Exchange started out as a coffee house.