UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/eɪdmɛmˈwɑːr/US:USA pronunciation: respellingUSA pronunciation: respelling(ādmem wär; Fr. ed mā mwar)

WordReference Random House Unabridged Dictionary of American English © 2020
aide-mé•moire  (ādmem wär; Fr. ed mā mwar),USA pronunciation n., pl.  aide-mé•moire. 
  1. Foreign Termsa memorandum summarizing a discussion, agreement, or action.
  • French: literally, (that which) aids (the) memory
  • 1840–50

Collins Concise English Dictionary © HarperCollins Publishers::
aide-mémoire /French: ɛdmemwar; English: ˈeɪd mɛmˈwɑː/ n ( pl aides-mémoire /French: ɛdmemwar; English: ˈeɪdz mɛmˈwɑː/)
  1. a note serving as a reminder
  2. a summarized diplomatic communication
Etymology: from aider to help + mémoire memory
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