memory /ˈmɛməri/ noun
plural memories
plural memories
Learner's definition of MEMORY
: the power or process of remembering what has been learned
see also photographic memory
[count] : something that is remembered
[noncount] : the things learned and kept in the mind
[count] : the things that are remembered about a person who has died
: the period of time that a person can remember
usually singular
[noncount] computers
: capacity for storing information
: the part of a computer in which information is stored see also random-access memory

from memory

: without reading or looking at notes

in memory of

or in someone's memory
: made or done to honor someone who has died

memory lane

◊ If you take a stroll/trip/walk (etc.) down memory lane, you think or talk about pleasant things from the past.