write something ↔ up phrasal verb ( see also ↑ write )
1 . to write a report, article etc using notes that you made earlier:
I have to write up my report before the meeting.
2 . to write something on a wall, board etc where people can see it:
The teacher repeated the word, and then wrote it up on the blackboard.
3 . be written up if something is written up in a newspaper, magazine etc, someone describes what it is like and gives their opinion of it:
We’re going to a Spanish restaurant that was written up in Time Out’s good food guide.
⇨ ↑ write-up