memory

Concise Oxford English Dictionary © 2008 Oxford University Press:
memory/ˈmeməri/

▶noun (pl. memories)

• 1 the faculty by which the mind stores and remembers information: each child recited a verse from memory.

• 2 something remembered.

  ■ the remembering or commemoration of a dead person.

  ■ the length of time over which a person or event continues to be remembered.

• 3 a computer's equipment or capacity for storing data or program instructions for retrieval.

– phrases
in memory of intended to remind people of.
take a trip (or walk) down memory lane indulge in pleasant or sentimental memories.

– origin ME: from OFr. memorie, from L. memoria ‘memory’, from memor ‘mindful, remembering’.