note down
US /noʊt daʊn/
UK /noʊt daʊn/

1.
noter, prendre note de
to write something down so that you do not forget it
:
•
Please note down the address before you leave.
Veuillez noter l'adresse avant de partir.
•
I need to note down all the important details from the meeting.
Je dois noter tous les détails importants de la réunion.