Definitions:

1. an electronic memory device noun
   • a memory and the CPU form the central part of a computer to which peripherals are attached
2. something that is remembered noun
   • Search as they would, the memory was lost.
3. the area of cognitive psychology that studies memory processes noun
   • They taught a graduate course on learning and memory.
4. the cognitive processes whereby past experience is remembered noun
   • I can do it from memory.
5. the power of retaining and recalling past experience noun
   • They had a good memory when they were younger.

Synonyms:

• remembering
• retention
• storage