recollectionaid
nounUK /ˌrekəˈlekʃən eɪd/
US /ˌrekəˈlekʃən eɪd/
A thing that helps you remember something.
She used a photo as a recollection aid to remember her trip.
OTHER MEANINGS
2. A small object kept to help bring back memories of a person or event.
He kept his grandfather's watch as a recollection aid.
3. A written note or list used to help someone recall facts.
The student made a recollection aid with key dates for the exam.
4. A mnemonic device, such as a rhyme, used to remember information.
The rhyme 'i before e' is a common recollection aid for spelling.