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Notes or pictures that one uses to remember something. When I was studying for the test, I made an aide-mémoire of all the steps in photosynthesis.
aid and abet
To assist someone, usually in a mischievous or illegal activity. Gary was arrested and charged with aiding and abetting the jewelry thief. I know other kids aided and abetted Paul in egging our house—he's just the only one who got caught.
aid (someone) in (something)
To assist someone in completing an action or activity. It was nice of Julie to aid me in cleaning my house before the party. Jim aided his son in changing the flat tire on the car.
See also: aid
aid and abet someone
Cliché to help someone; to incite someone to do something, possibly something that is wrong. (Originally a legal phrase.) He was scolded for aiding and abetting the boys who were fighting.
a piece of writing or a picture that helps you to remember something I write notes to myself and put them on the board. It serves as an aide-mémoire.