Parapegm
Pronunciation : Par"a*pegm
Part of Speech : n.
Etymology : [L. parapegma, Gr. parapegme.]
Definition : Defn: An engraved tablet, usually of brass, set up in a public place.
Note: Parapegms were used for the publication of laws, proclamations, etc., and the recording of astronomical phenomena or calendar events.
Source : Webster's Unabridged Dictionary, 1913