written in

Verb

write in (third-person singular simple present writes in, present participle writing in, simple past wrote in, past participle written in)

1. (intransitive) To write a letter to, e.g. a publication.
   • If you have any questions, you can write in to the following address.
2. (transitive) To fill in something required, by writing.
   • Don't forget to write in your details on the paper.
3. (transitive) To vote for a candidate not on the ballot by writing their name.