n.
 (pl. memories)
   - the faculty by which the mind stores and remembers information:
 each child recited a verse from memory.
 - something remembered. 
▸the remembering or commemoration of a dead person.
 ▸the length of time over which a person or event continues to be remembered.
 - a computer's equipment or capacity for storing data or program instructions for retrieval.
 
 
  Phrase
  
    - in memory of
 intended to remind people of.  - take a trip 
(or walk)
 down memory lane
 indulge in pleasant or sentimental memories. 
   
  Etymology
  ME: from OFr. memorie, from L. memoria ‘memory’, from memor ‘mindful, remembering’.