Definition of write-ups:
(v) :
(ambitransitive) To form letters, words or symbols on a surface in order to communicate.
(v) :
(transitive) To be the author of (a book, article, poem, etc.).
(v) :
(transitive) To send written information to.
(v) :
(intransitive) To be an author.
(v) :
(transitive) To show (information, etc) in written form.
(v) :
(ditransitive with relative clause) To convey a fact to someone via writing.