The Collaborative International Dictionary of English v.0.48:

Memoria \Me*mo"ri*a\, n. [L.]
   Memory.
   [1913 Webster]

   Memoria technica, technical memory; a contrivance for
      aiding the memory.
      [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

MEMORIAL. A petition or representation made by one or more individuals to a
legislative or other body. When such instrument is addressed to a court, it
is called a petition.