Cachet
Pronunciation : Cach"et
Part of Speech : n.
Etymology : [F. fr. cacher to hide.]
Definition : Defn: A seal, as of a letter. Lettre de cachet Etym: [F.], a sealed letter, especially a letter or missive emanating from the sovereign; -- much used in France before the Revolution as an arbitrary order of imprisonment.
Source : Webster's Unabridged Dictionary, 1913