notecard

noun
UK /ˈnəʊt.kɑːd/
US /ˈnoʊt.kɑːrd/

A small piece of thick paper you write on.

She wrote her friend's address on a notecard.


OTHER MEANINGS

2. A small card used to send a short message or greeting.

He sent a thank-you notecard after the party.

3. A card with study information used for learning and review.

I made a notecard for each new vocabulary word.

4. A brief written reminder on a small card.

She left a notecard on the fridge about the meeting.